How to make hair dye last longer

The principle of hair dyeing is to destroy the melanin pigment within the hair and replace it with artificial pigments. Bleaching, on the other hand, refers to removing only the melanin pigment without replacing it with artificial pigments. When you dye or perm your hair, the heat and chemicals can damage or destabilize the cuticle layer, causing proteins within the hair to easily leak out. Since the color fades faster on hair with severely damaged cuticles, you can slow down the fading process by supplying sufficient protein with a conditioner before shampooing to form a protective barrier. If the dye fades quickly due to such damage, the beautiful color may fade unevenly, resulting in a patchy finish, so it is important to take good care of your hair.

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If you apply rinse, conditioner, or treatment to your hair before shampooing, focus on shampooing the scalp, and then use the lather on your scalp to wash your hair as if you were "combing" it, you can restore the condition of your hair and maintain your color beautifully for a long time.

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