American Crew - Developer 15 vol 450ml

American Crew Precision 15vol Peroxide Blend is the activator for use with American Crew Precision Blend. It works perfectly with the precision blends, without the use of oils. Helps restore hair to its natural hue and helps cover natural grey hair.

• Mix the American Crew Precision Blend color with the 4.5% developer at a ratio of 1 + 1