아달 인천오피 아찔한달리기 인천키스방

Demi-permanent dyes

These are chemically milder as compared to permanent hair dyes. This is because they do not contain ammonia. Also, they have lower concentrations of hydrogen peroxide. The color molecules of demi-permanent hair dyes get deposited on the cuticle as well as penetrate into the hair cortex.

 

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