That’s because that is the natural colour of keratin (the main structural protein of hair). After bleaching hair, it will get a yellowish tint. Once this mix is applied, bleach will remove the colour of your hair by the process of oxidation of the melanin molecule, turning your hair lighter.Īlthough melanin is still present, its molecule is colourless. Hair bleach is a mix of ammonia and hydrogen peroxide, the bleaching agent. Bleaching is all about science, so as long you follow all the rules carefully, nothing can go wrong.īefore jumping in, do keep in mind that bleaching is an aggressive process for your hair, so you must be very careful with it and ask a friend to help you the first time you do this at home. So you want to do a bleach bath at home, but don’t know how to? Worry no more, this is our complete guide on how to do a bleach bath hair at home! We’ll go with you through the bleaches, the developers, the procedures, and aftercare of bleaching.