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But wait, there are 2 exceptions:<\/strong><\/span><\/p>\n <\/p>\n YOU MAY ALSO BE INTERESTED: Can I dye my hair 12 hours after washing it? A hair colorist tells you the truth<\/a><\/strong><\/span><\/p>\n <\/p>\n Hello! If you’ve come this far, it’s because you’ve been wondering about dyeing your hair: can I apply box dyes if it\u2019s dirty?<\/p>\n Should I wash it before coloring?<\/p>\n <\/p>\n In this article, I’ll tell you why it’s better to use box dye on “somewhat dirty”<\/strong><\/span> instead of clean hair. Come on!<\/p>\n <\/p>\n So, do I wash it out?<\/p>\n <\/p>\n No. There’s a level of “dirt” that’s ideal for coloring your hair. <\/span> Not too dirty, not too clean: this middle ground is what I’ll help you find.<\/p>\n <\/p>\n You shouldn\u2019t wash your hair 24 to 48 hours before coloring it with box dyes. <\/span> <\/strong><\/p>\n This way, your hair isn’t going to be clean or super dirty. If your hair is freshly washed, the hair fiber is unprotected.<\/p>\n On the other hand, after a few days without washing, the hair recovers its natural oils. <\/span> So, you get protection and the color settles as well.<\/p>\n <\/p>\n Do you want to know what happens when you color your hair and it’s too dirty?<\/strong><\/span><\/p>\n The following is for you.<\/p>\n <\/p>\n If you ask any hairdresser, they’ll tell you that dirty hair takes dye better<\/a>.<\/p>\n <\/p>\n That’s true.<\/p>\n Hair naturally generates oils that help hair dye blend with the hair fibers. <\/span> It eases the coloring process and helps the cuticle absorb the color.<\/p>\n <\/p>\n In fact, this is one of the things you should know before coloring your hair<\/a>.<\/p>\n But if you go more than 3 days without washing your hair, those natural oils can become excessive. <\/span> Also, after a couple of days, different residues start to accumulate in your hair. Which ones?<\/p>\n <\/p>\n For example, residues that come from environmental pollution or styling products.<\/p>\n Excessive dirt prevents the dye from penetrating properly <\/span> and the results aren\u2019t satisfactory.<\/p>\n <\/p>\n Let me explain it this way: The dye has an action time of approximately 35 minutes. <\/strong><\/span>It penetrates the hair cortex during the first 15 minutes. It deposits the color during the remaining time.<\/p>\n If your hair is too dirty, the dye has a big barrier to cross <\/span> and may not be able to penetrate and deposit the color correctly.<\/p>\n <\/p>\n YOU MAY ALSO BE INTERESTED: Can I dye my hair if I was sweating from a workout<\/a>?<\/strong><\/span><\/p>\n <\/p>\n <\/p>\n For this reason, all hairdressers used to advise that the dirtier your hair, the better.<\/p>\n Some women would go up to 10 days without washing their hair before applying the box dye. <\/span>\n Phew, can you imagine?<\/p>\n <\/p>\n But today, the composition of dyes and their action<\/a> have changed. They are much less aggressive, so you no longer need to wait so many days with dirty hair before dyeing.<\/strong><\/span><\/p>\n <\/p>\n There’s a tendency to believe that the dye could take better with freshly washed hair as if it were a blank canvas ready to receive any color, but this doesn’t work like that. How does it work?<\/p>\n <\/p>\n When we have clean hair, the color slips, <\/span> because we don’t have those natural oils I was talking about before.<\/p>\n Also, when we have just washed our hair, the dye can cause irritation, itching, or burning of the scalp<\/a> because we don’t have the protection of those oils.<\/p>\n <\/p>\n These oils act as a “bodyguard” for your hair, so it’s best to wait 24 hours to 48 hours after washing your hair before applying box dyes. <\/span>\n This way, you’ll avoid having a bad time while coloring your hair.<\/p>\n <\/p>\n The rule of coloring your hair between 24 and 48 hours after washing is for all hair types, but oily hair is an exception. Why?<\/p>\n <\/p>\n Because oily hair<\/a> generates those natural oils I was talking about at the beginning. They protect the scalp from the dye chemicals much faster.<\/p>\n If you have oily hair, then you don’t need to leave it unwashed for 48 hours. <\/span> Waiting 12 hours after the last wash will be enough.<\/p>\n <\/p>\n <\/p>\n Idalia is a retired teacher who comes to my salon very often.<\/p>\n She’s a dedicated teacher who loves her job above all things.<\/p>\n One day, Idalia discovered that she could google everything she didn’t know, even her hairdressing doubts. <\/span>\n Of course, who doesn’t?<\/p>\n <\/p>\n The problem is that in the world of hairdressing there are too many myths and lies floating around the net. <\/span>.<\/p>\n I spend a lot of time chatting with my salon clients to debunk those myths as I work on their hair.<\/p>\n “If you pull out one gray hair you’ll grow seven more;” “The more you cut your hair, the more it grows”; “It’s not good to dye your hair if you’re pregnant<\/a>” , etcetera, etcetera\u2026<\/p>\n <\/p>\n\n\n
Can you use box dye on dirty hair? Yes, but not THAT dirty<\/h2>\n
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<\/p>\n You may have heard that “the dirtier the hair is before coloring, the better,” but this isn’t quite true. <\/span> On the contrary, if your hair is very dirty, the dye may not work as you expected.<\/p>\nWhat happens if I color my hair too dirty? The color may not penetrate the hair fiber<\/h2>\n
![\"Woman](\"https:\/\/botoxcapilar.org\/wp-content\/uploads\/2022\/07\/Mujer-con-el-cabello-muy-sucio.jpg\")
<\/p>\nWhere does the myth that “the dirtier the better” come from for coloring hair?<\/h3>\n Many years ago, box or professional dyes were very aggressive.<\/p>\n <\/span> So, the hair needed to be dirty to protect it from the chemicals.<\/p>\n
What happens if I dye my hair when it’s freshly washed?<\/h2>\n
![\"Woman](\"https:\/\/botoxcapilar.org\/wp-content\/uploads\/2022\/07\/Mujer-con-el-cabello-humedo.jpg\")
<\/p>\nDo all hair types need 48 hours after washing to be applied? No; there are 2 exceptions<\/h2>\n
Exception 1: If you have oily hair, you must wait 12 hours before applying hair dye<\/h3>\n
Exception 2: If you have a very dry scalp, you can wait an extra day to color it<\/h3>\n If your scalp is very dry, you can go 3 days without washing it <\/span> before applying the box or professional dye.<\/p>\n
I tell you a 100% true story of a client who went 7 days without washing her hair before applying the dye<\/h2>\n
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