The Black Blond Up Anti-Yellow Let Me Be mask has been specially developed to remove yellowing of the blond, gray and white hair strand , caused by the action of time, nicotine, pollution, UV rays and coloring. Its effect is gradual and progressive. It has the effect of leaving the hair with the 'gray hair' effect if the hair is in a high whitening background.
After washing the hair with the Shampoo, apply the Black Mask with damp hair. The pause time depends on the pitch height of the hair. Ideal between 3 and 10 minutes. Rinse thoroughly and finish as desired. Tip: We recommend mixing the Black Mask in a 1: 1 mask or white cream or whatever shape you want depending on the tinting.
Result : Hair moisturized and tinted as desired.