GLACIER //

Bleach roots, lengths and ends with the Black Professional bleaching cream and mix with 20-volume emulsified hydrogen peroxide until it reaches a tone height of nine.

Mix the Black Professional 7.27 shade with the 20-volume emulsified hydrogen peroxide from the same line and apply the mixture directly to the roots.

Mix the Black Professional Gl-C1 shade with the 20-volume emulsified hydrogen peroxide from the same line and apply the mixture halfway down the length of the hair, blending the mixture with the 7.27 shade at the point where the two colours meet. Apply, according to the harmony of the three colours.

Mix the Black Professional 0.11 shade with the 20-volume emulsified hydrogen peroxide from the same line and apply the mixture to the lower lengths and tips of the hair, blending the mixture with the GL-C1 shade at the point where the two colours meet.