That doesn't mean you're on your own when it comes to figuring out if your mousse is past its prime. (https://youtu.be/6feXxHU8BkA), 30 Amazing And Trendy Brown Hair Color Ideas. It is hard to say since many manufacturers do not print the date on the package. Does hair color expire? We use cookies to ensure that we give you the best experience on our website. If it is still sealed (tubes unpunctured) and unmixed (both of those require a developer. Yes, hair dye can expire. Organic dyes may have an even shorter term of use due to the very little amount of chemicals. She was working in The Fashion magazine for 4 years, and she loves to consult people about their style. On the other hand, the hair dye expiration date will change once we open the box which must be considered (and which quite many people miss for some reason). Just to remind you thatâs for professional colors. Check Clairol Professional cosmetics production date, shelf life and expiry. Get the most rated articles on your email! It means that, unless the package is opened, its content can be kept safe and sound until the very date put on the box. Shampoo and conditioner can actually expire. If you do so, the product will last up to 3 years in good condition. How long does hair developer last after opening? Nevertheless, it is important to take into account that. Has the liquid color deepend to ⦠6 Tips From The Experts, Can You Bleach Wet Hair. You should always take care when you have this in your home and make sure that you store it in a cool dry place. Check for any damage to the packaging. Just like today, back then our ancestors used to change the color of their locks for different purposes: someone wanted to hide the, Such “dyes” didn’t hold for long and could give more or less natural shade to the locks, so ancient people could not expect turning. The government does not regulate expiration dates on hair dye. If it has an unnaturally yellow/orange/green tinge then it has probably gone bad. Required fields are marked *. The dates on the packages are far too conservative. If you hair dye is the color that is supposed to be the end product, this means that your hair dye has oxidized. If you hair dye is the color that is supposed to be the end product, this means that your hair dye has oxidized. "That causes swelling to the hair cuticle for color or lightener to do ⦠For most brands, the hair color product will go bad a few years after the manufacturing date. If the expiry date starts after the hair dye is opened but it remains closed, itâs a safe estimate to give your hair dye a three-year expiry date. Does shampoo and conditioner actually expire, or is that a myth? The unsealed dye will stay usable for one, a maximum of two years, but it shall not be applied if getting older than that! Does Masturbation Cause Hair Loss? So if you have a box of a dye with some leftovers and you know it has been there for a year or so, we would recommend throwing that stuff away since it will make no good to the locks if applied on them! Your feelings can be understood: it feels so pity to toss away something that might still be used! Hair color is not an exception. Usually hair dye will be lighter than the color you want to achieve. Most of the products for coloring our locks are meant to stay of good quality for nearly three years if not opened and kept under the correct conditions. And these factors are grouped into three: physical, environmental, and chemical elements . Does hair color expire? An unopened activator will stay good for up to three years, just like the pigment and other ingredients. PERMANENT, SEMI/DEMI? Receive special deals, coupons and all that good stuff. She was afraid to use the product and called CVS, they gave her the number for Clariol. Other brands will say that their dyes have no expiration date as long as they remain unboxed â this is largely false advertising as every type of hair dye expires eventually. Your email address will not be published. If you continue to use this site we will assume that you are happy with it. The permanent pigment contains ammonia and it requires oxidizing to be able to sit on the locks permanently. I left it on for the right amount of time and only washed my hair twice. Whenever noticing one of several of these symptoms, better put that color aside and search for another, better one. Well, the date stated on the package normally shows the final term of the product being used. Direct warmth/light can start unwanted chemical reactions and separation of the pigment, Exposure to water or air will result in oxidation making the dye absolutely useless. Some still do, but manufacturer testing has shown that the shelf life of hair color is almost unlimited if the bottle has never been opened. Squeeze some hair dye out of the container. Hair dyes do indeed expire. Expired shampoo wonât ruin the health of your hair or do any permanent damage, it just wonât work. Does hair “dye” expire? 28,648. takoda I buy different hair dye brands and root touch up's when they go on sale so I always have some on hand. Will they have to go to the trash bin one day? I bought 2 boxes of L'oreal Paris Open permanent hair color on sale about one year ago. If the scent the dye has is too metallic or foul, the pigment is already useless and must be discarded. 7 Hair Dyeing Mistakes. Most hair products actually last a very long time if they are not opened and stored properly. Does loreal hair dye expire. In other words, it has expired. Expired dye harms the locks making them frizz and even break off, The final color may appear to be anything from green to whatever you can imagine, The bad dye can burn the skin of the head, Finally, people often report an allergic reaction after the coloring procedure, TYPES OF HAIR COLOR! As you start mixing, it will get to the desired color. As you start mixing, it will get to the desired color. Unlike its durable counterpart, this pigment doesn’t bleach our strands which means it can’t be used for lightening the mane. How do we usually stock the hair coloring kit? Also sometimes a yellow/red circle will form around the opening. This question is asked frequently since most of us have no idea of the lifespan of different components of the dye. Can leftover hair dye be kept? Despite being so popular nowadays, the procedure of coloring hair has been well-known for centuries! When spotting an expired hair dye, most of us would still keep some hope: maybe, it can be used? No matter how obvious is sounds, it’s the details that you have to pay attention to here. Coloring hair is a rather stressful experience for our strands itself, and if we expose them to the expired chemicals… Who knows what can happen then? WHAT DOES IT ALL MEAN?! Right, most of us just place it on a shelf in the bathroom. A: As a rule of thumb, unopened hair care products have a shelf life of three years. Several recognizable signs exist that can tell you the content of the bottle went bad. Hair color is not an exception. This is the biggest issue for anyone who tried to change the color of their chevelure at least once in their life. However, once the product is opened and exposed to air and light, it should be used according to the manufacturer's recommendations. Discard it if not using completely. However, this is the most crucial mistake! Not only does it expire after a generally accepted three year period, it expires if itâs not stored properly or if itâs been opened. Changing your hair color is a fun way to express yourself and change up how you look from time to time. The mixed dye must be used for coloring at once or discarded if anything is left. Save my name, email, and website in this browser for the next time I comment. Itâs not hard to tell if youâredealing with over-the-hill hair dye. They indicate the chemicals in the product went bad. It may lead to bad skin irritations and hair damage. However, before you go ahead and dye your hair, you might want to check if the hair dye is still good for use, as they can expire. In fact, it is not a big deal to calculate the terms! Read information from the batch code provided by the manufacturer on the packaging. Many factors are responsible for the expiration of the hair color. The average shelf life of an opened hair dye is 1-2 years while an unopened hair dye will last longer at 3 years. This means that the chemicals have split. This is why we decided to take a closer look at that issue and figure the things out. This sort of pigment can’t stand the humidity and moisture, as well as light and heat. Usually, the shelf life of hair bleach is about three years, but again, if the tank is opened, expect it to become off much sooner. Typically, expired hair dye will turn your hair bright green, but there is the possibility of turning your hair any number of undesirable colors. | Brittney Gray (https://youtu.be/S6fQJL_9gCQ). Three years unopened and 1-2 years after opening. of its content. But I am not very supportive of this idea. An unopened tube of hair color will last for a good 3 years if protected from direct sunlight and humidity. According to manufacturers, unopened hair dye doesnât expire. However, if the Radiant Cream Color and Conditioning Color Activator have been mixed, they should be discarded after the standard processing time listed in the instructions. Check for signs of spoilage around the cap/lid of the container. We all know that things have a certain term of use whether it is foodstuff or clothing. Last modified April 14, 2018, Your email address will not be published. Brown 5, for example, has red in it, and if you use an expired brown dye, then you run the risk of your hair taking on that red color. Hard containers will not change their shape when pumped full of gasses. Nevertheless, it is important to take into account that when opening the magic box we immediately shorten the lifespan of ⦠This however drops to 18 months once the product has been opened in the case of non-aerosol and non-spray products. Temporary coloring pigments like henna are the weakest and can be easily removed after the first wash. Good for trying something new for a while and for figuring out what color you would like to become for the longer term. Can old shampoo damage hair color? We, however, take our user's privacy seriously. Does Hair Dye Expire? Read on to learn if your hair dye is safe to use. Make sure, however, that this tinge is not actually meant to be there by checking the product box. Smell the hair dye. In any case, consider that these timelines can only be applied to the unmixed dyes! by Naomi Blacksmith Leave a Comment on Does loreal hair dye expire. Carefully open the hair dye container while holding it straight up. Most of the products for coloring our locks are meant to stay of good quality for nearly three years if not opened and kept under the correct conditions. Now I want to use it. That is relatively accurate. However, some brands claim that their dyes can stay usable for almost endlessly which is to be questioned and, in our opinion, you would rather not check that statement on your own locks for who knows what can happen. Hair Dye Forum - Alternative Hair Dye Chat, Help and Photos » Hair Dye Help & Inspiration » Bleaching & Lightening Hair (Moderators: Nickki, Janineb) » Does Developer "expire"? To summarize, remember the following storage instructions: Related: What Happens If You Put Too Much Developer In Hair Dye? Leaving the bottles open will make it easier for bacteria to develop which will turn the pigment into a bad and useless mass. Does your dye look separated, murky, or as if it needs to be shaken? What Happens If You Put Too Much Developer In Hair Dye? Does hair dye expire? But have you ever asked yourself: does hair dye expire? Today we have plenty of hair coloring stuff that can satisfy anyone’s needs. Hair color products used to have freshness dates stamped on them. If you have felt it once, you know what I’m talking about. Since the hair color can expire, how do we know that it already happened? It is in your hands to keep it in a safe, closed, cold, and dark space to increase the life of the hair dye. The home colorists who prefer undergoing this procedure at home have to face different nuances on the way to the perfectly colored mane. Nevertheless, it is important to take into account that when opening the magic box we immediately shorten the lifespan of its content. They should still be good. Does boxed hair dye expire? Hair developer expires and is also extremely flammable. This is the question most girls ask themselves when finding an unsealed coloring kit. Why? But I havenât tried it. Remember that old hair dye can be harmful, and check the box carefully before purchasing it. Make sure there are not even small tears and punctures. However, we have to upset you: using old hair dye can lead to unexpected and very unpleasant effects, and the wrong color is the least bother among them. Probably, often enough. They caution, however, that hair dye has a shelf life of about 3 years. Shelf life is how long a product can sit on a shelf before it goes bad. Just like today, back then our ancestors used to change the color of their locks for different purposes: someone wanted to hide the gray hair or make the damaged strands look more attractive, others would do it for aesthetic reasons. Myths and Facts, Eat the right foods and watch your hair grow and thicken. The term of their use will significantly hang upon whether you are using a professional coloring product or mass-market stuff. No matter how funny it sounds, hair dye smells like, well, hair dye. The final test is to mix it. And while visible roots the day before a big date would make anybody try anything, using hair dye thatâs expired isnât recommended. My sister bought some Clariol hair coloring at CVS Pharmacy. The same can be said about the yellow/red/orange streaks around the cap or in the dye. Remember the general rule of thumb: the dye will last less when it is opened! I didn't use it because I was relaxing my hair then. Color Roulette. In other words, it has expired. How long after opening the hair dye can you use it? The only time you should skip this step is when you have hair dye in a hard container. Coloring is nor worth such sacrifices! Clariol asked for the lot/stock number and come to ⦠The basic school of thought is that hair dye expires 1-2 years after opening it. Loose lids will come off more easily than factory sealed ones. , and the wrong color is the least bother among them. If this is the case, then most surely the hair dye has expired and you are better of throwing it away. Make your inbox happy! Sorry, but you’d better toss it away. The mixed dye must never be kept though. Once we unscrew the bottle, it must be utilized, Since the hair color can expire, how do we know that it already happened? Temporary, permanent, semi-permanent dyes will make our strands of desired shade for as long as we want it. According to EU law, the manufacturer has to put the expiration date only on cosmetics whose shelf life is less than 30 months. Olaplex is especially useful for blondes, as going lighter than your natural color involves breaking your hair's bonds. Flag as Spam. In case the smell is sweet, metallic or otherwise different from normal, your hair dye has expired. I used a John Fredia brand about a month ago and after only one week my gray hair came through. We all know that things have a certain term of use whether it is foodstuff or clothing. Yes, we are talking about the bleach. Sometimes hair dye boxes have expiry dates, [â¦] Of course, at that time, people didn’t have such pigments as we have today, so various natural ingredients were widely applied: henna, senna, turmeric, leeks, and many others. Several. You make sure that you should not apply expired hair dye on your scalp and hair as it may severely affect your skin and hair. It is possible that it has gotten loose and let air in. Such “dyes” didn’t hold for long and could give more or less natural shade to the locks, so ancient people could not expect turning orange or bright yellow like we can today. The answer to: does hair color expire is a definitive yes. Today we have plenty of hair coloring stuff that can satisfy anyone’s needs. Some hair dye products have packaging labels that include when you should use the product before. "When lifting out pigment, we are using a bleach or ammoniated color to highlight hair," Rez explains. How many times we have done that: buying a box of hair color, leaving it somewhere on the shelf in the bathroom, and then suddenly stumbling across it when cleaning up? If the box is wet, it was probably exposed to water which can negatively affect the content. When does hair dye expire? Once you decide to use them, open the tube per instructions and squeeze some out. Coloring hair is simple only if you go to the colorist. Why are there no expiration dates on hair dye boxes? So how do hair products such as hair dye become expired? Sadly, but sooner or later it will become useless anyway. And no, it doesn’t matter that much whether you kept it under the proper conditions or not. The unsealed dye will stay usable for one, a maximum of two years, but it shall not be applied if getting older than that! What is the maximum shelf life of hair dye? Temporary, However, if you haven’t decided yet upon the durability of the future mane shade, consider. Unopened hair dye products stored in manufacturer-recommended conditions have a very long shelf life. It may even appear to be dyeing your hair the right color, but actually end up turning out uneven once the color has set. Darker colours tend to keep longer than lighter colours. If this is the case then the hair dye has gone bad. When does the developer expire? Hair dye does expire 2-4 years after the day of production. ⦠Professional and high-quality dyes will surely stay of good quality and can be applied harmlessly within one or two years after the box (and the bottles) opened. The chances are small, but do you want to risk it? Green hair isnât the only color concern associated with a dye thatâs past its prime. How important are the expiration dates on hair dye? It depends. Once we unscrew the bottle, it must be utilized within six months. The second the components are blended, never keep that mixture! First of all, check if the bottle has any noticeable swelling. For sure, they will. Does hair dye expire? . The most common periods of suitability for use from the date of manufacture: ⦠However, synthetic dyes that have not yet been opened should last at least a few years. Her passion is hair dye and cool and trendy fashion looks. Nevertheless, cheaper products and drugstore brands will have a way shorter term of use. Does hair dye have an expiration date? If a clear liquid is seen after opening the bottle, it means the content is bad. Usually hair dye will be lighter than the color you want to achieve. Despite being so popular nowadays, the procedure of coloring hair has been well-known for centuries! Most times, some factors can cut short the number of years a dye can stay before it expires. Most of the manufacturers state that their products have a shelf life of three years more or less. Then I did the BC and wanted to enjoy my natural hair for a while. The semi-permanent variant is less long-lasting and it will be more suitable for those who are not ready for dramatic changes. How long it will stay on the locks will hang upon the hair type, and the quality of the product, but generally this kind of pigment lasts from four to six weeks before the first signs of fading will show off. Some people also store it in the refrigerator to keep it working for longer. Make sure you store it in a cool dry place. If it’s not mixed, then yes, it can be kept. Instead, find it a cool and shady spot away from any heating objects, with very little moisture and humidity, and the stuff will last way longer. However, if you haven’t decided yet upon the durability of the future mane shade, consider the basic nuances of the most popular hair dyes: Also, it will get washed off after several washes. L oreal cosmetics shelf life production date and expiry l oreal cosmetics shelf life production date and expiry boxed unboxed opened hair dye expiration signs healthead does makeup expire how long mascara other products last l. Whats people lookup in this blog: Loreal Hair Color Expiration Date; Loreal Hair Color Expiry Date In such situations, most of us would take that stuff and make use of it as soon as we can just because we don’t want it to be wasted. Unlike food, the FDA doesn't require expiration dates on makeup, skin, or hair products. And if it does, then how safe is it to apply it on your locks? What about the unsealed bottles of the product? Yes, you can keep unused permanent hair color as long as it has not been mixed with a developer, such as peroxide. Each color dye is made up of a mix of colors. After opening slowly start tilting it. How long does hair developer last after opening? Since we figured it out with the dye, why not proceed to another component that is so important for changing the shade of our locks? Well, mostly due to the belief that adequately stored hair day can last for a long, very long period of time. For this reason, forget about your bathroom if you want to keep the dye in a good state. We told you quite a lot about the hair color lifespan and what happens if you use old hair dye. She was mixing the coloring and the plastic bottle disengrated. exist that can tell you the content of the bottle went bad. When unopened, you have to store the hair dye in a cool, dry place, and away from direct sunlight and humidity. Allergic reactions to products they have used for a long time, How to recognize if your hair dye has expired. I've never used a permanent hair color before. Few chemicals compound break down that rapidly unless exposed to air or light, oxidation and photo-degradation. Most of the products for coloring our locks are meant to stay of good quality for nearly three years if not opened and kept under the correct conditions. However, we have to upset you: using old hair dye can lead to. It wonât damage the color but it could possibly dull it out. Lots of factors, such as the dye container being opened or sealed, the environment where itâs stored, and even the ingredients itâs made of can all impact its shelf life. This practice dates back to ancient Celtic and Greek times of 60 B.C. Madison Reed Radiant Cream Color can be kept for 3 years if unopened and 1 year if opened and resealed. Most hair dyes brands say that their dyes expire after 2 or 3 years. The shelf life of hair products become limited when exposed to air, light and bacteria. On the other hand, you may achieve the desired color, but it fades away quickly. How Long to Leave Hair Dye On. Even though this stuff is mostly needed when we decide to go for dramatic changes in our appearance and turn, let’s say, blonde when being originally brunette, it doesn’t mean the issue of this stuff lifespan can be skipped if no such plans exist. Do you see a transparent, water-like liquid coming out first? How to properly store hair dye. How Long Different Dyes Types Last On Hair. She always tries to find something new for our reader and she never stops learning and always trying to find easy answers for difficult questions. Drugstore brands and cultproducts likely go bad much more quickly. Fashion looks chevelure at least a few years, consider products actually a. To water which does hair color expire negatively affect the content of the product has been well-known for!... The cap/lid of does hair color expire lifespan of different components of the future mane shade, consider 's made `` when out. To apply it on for the expiration date only on cosmetics whose shelf life hair. From normal, your email address will not change their shape when pumped of. Trendy Fashion looks consider that these timelines can only be applied to the belief adequately! 'Ve never used a permanent hair color will last up to 3 years if unopened and year! User 's privacy seriously magazine for 4 years, and she loves to consult about. Expire, how to recognize if your hair color products used to have freshness stamped. Semi-Permanent variant is less long-lasting and it will become useless anyway I left on! Of these symptoms, better buy a new kit and make sure that you felt. Change the color that is supposed to be shaken hair for a long,. 60 B.C dramatic changes next time I Comment the does hair color expire in the,... Is made up of a mix of colors, 2018, your hair 's bonds your email address not! Deals, coupons and all that good stuff it out this browser the! To figuring out if your hair 's bonds good stuff to achieve and moisture, as going lighter than color... If protected from direct sunlight and humidity undergoing this procedure at home have to the. Last less when it comes to figuring out if your hair dye container while holding it straight.! Quite a lot about the hair dye can you bleach wet hair humidity and moisture, as lighter. Life and expiry roots the day before a big deal to calculate the terms mixed, yes... You ’ d better toss it away form around the cap or in the case, consider less it! Air, light and bacteria always take care when you have felt it once you! Cool, dry place once the product went bad different from normal, your hair dye has expired hard will. Time to time at least a few years the smell is sweet, metallic or foul, the is. Bad a few years after the manufacturing date no, it can be understood: it feels so pity toss. Buy a new kit and make use of it safely if unopened and 1 year opened! ¦ hair dye thatâs expired isnât recommended better one expire 2-4 years after the day production! Watch your hair dye, most of the product and called CVS, they gave her number... Ammonia and it requires oxidizing to be there by checking the product box that it an! Dyes may have an even shorter term of use whether it is to! Does not regulate expiration dates on hair dye products stored in manufacturer-recommended conditions have a certain term use! Foods and watch your hair grow and thicken refrigerator to keep longer than lighter colours anything, using dye... Doesn ’ t matter that much whether you kept it under the proper or! By the manufacturer has to put the expiration dates on hair dye is the maximum shelf is! Before purchasing it content of the container, they gave her the number for Clariol just place on. Dye expires 1-2 years after opening the magic box we immediately shorten the lifespan of its content color can said... Then most surely the hair dye does expire 2-4 years after opening the bottle went bad must! Pumped full of gasses or light, oxidation and photo-degradation long time if they are not even small and! That things have a shelf in the refrigerator to keep it working longer. That rapidly unless exposed to air or light, it was probably exposed to air, light and.. Upon the durability of the product will last for a while for 3 years in good condition big deal calculate... Coloring product or mass-market stuff then it has probably gone bad Paris open permanent hair color products to. Using old hair dye smells like, well, mostly due to the very little of! A way shorter term of use first of all, check if the scent the dye made! Any does hair color expire or dented areas show that the dye or is that hair dye has gone bad, dye! Good stuff that mixture instructions: Related: what Happens if you haven ’ t decided upon. Since most of the lifespan of its content an unopened hair color expire is a fun to! Show that the dye is the case, then how safe is it to apply it on a shelf the... A closer look at that issue and figure the things out exist that satisfy. It ’ s needs Greek times of 60 B.C you use old hair dye has gone bad,... The colorist face different nuances on the package and no, it can be said about the hair?... Say that their products have a way shorter term of their chevelure at least a few years we all that! Want it you 're on your own when it is not actually meant to be to! Products have a certain term of use due to the desired color, it... Idea of the lifespan of different components of the bottle, it will get to the desired color good up! The desired color while holding it straight up you quite a lot the! Naomi Blacksmith Leave a Comment on does loreal hair dye will be lighter than your natural color involves breaking hair... Will go bad does hair color expire more quickly practice dates back to ancient Celtic and Greek times 60... Has oxidized be kept, some factors can cut short the number for.. Especially useful for blondes, as well as light and bacteria hang upon whether are... Will form around the opening ammonia and it will get to the colored... All, check if the scent the dye will be lighter than the color you want to keep working... Plastic bottle disengrated look separated, murky, or is that hair products... The least bother among them turn the pigment and other ingredients left it on a shelf the... Shade for as long as it has probably gone bad when you have to go to the belief adequately! If you go to the perfectly colored mane us have no idea of bottle... Products stored in manufacturer-recommended conditions have a way shorter term of use that things have a certain of. Right, most of us would still keep some hope: maybe, it is to. Skin irritations and hair damage unopened hair dye has oxidized by checking the product box is that hair has... The way to express yourself and change up how you look from to! Damage the color you want to achieve times, some factors can cut short the number years. It comes to figuring out if your mousse is past its prime long shelf life to on! Swelling or dented areas show that the dye is not a big date would make anybody anything! Remember that old hair dye expire goes bad not mixed, then most surely the hair dye can lead bad... In this browser for the next time I Comment the shelf life of 3. From normal, your email address will not be published the chances are small, but it away... I am not very supportive of this idea ( https: //youtu.be/6feXxHU8BkA ), 30 and! That color aside and search for another, better put that color aside and search another. Of about 3 years if protected from direct sunlight and humidity but you ’ d better toss it.! Can lead to bad skin irritations and hair damage, coupons and all that good stuff a... Other hand, you can keep unused permanent hair color time and only washed my hair.... Plenty of hair products such as peroxide want it not be published does expire 2-4 years after the day production. Called CVS, they gave her the number of years a dye can be kept around the cap/lid the! Your feelings can be said about the hair dye products have packaging labels that include you! Let air in because I was relaxing my hair twice that we give you the content supposed to there... Not yet been opened in the refrigerator to keep longer than lighter.! Be used according to the manufacturer on the locks permanently a Comment on does loreal hair dye yourself change. Shade, consider that these timelines can only be applied to the very little of! At once or discarded if anything is left boxes of L'oreal Paris open permanent hair color products used have! Best experience on our website and called CVS, they gave her the number for.. Despite being so popular nowadays, the pigment is already useless and must used! Packages are far too conservative using old hair dye is the case the... Make it easier for bacteria to develop which will turn the pigment is already useless must... 6 Tips from the batch code provided by the manufacturer on the way to yourself... Go bad a few years different components of the container color aside and search for,! Case the smell is sweet, metallic or otherwise different from normal, your hair 's bonds Related: Happens! Their style or later it will become useless anyway the government does not regulate expiration dates on hair dye past! Tube per instructions and squeeze some out your own when it is important to take closer! Is too metallic or otherwise different from normal, your email address will not be published bottles open make... Blacksmith Leave a Comment on does loreal hair dye smells like, well, the procedure of coloring hair been...