American Crew Precision 15vol Peroxide Blend is the activator for use with American Crew Precision Blend. This developer activator works with the precision blends, without the use of oils or a long wait. Restores hair to its natural hue. It helps to covered gray spots.
- In a coloring bowl, mix the American Crew Precision Blend color with the 4.5% developer at a ratio of 1 + 1. About 20 ml are needed for hair 2.5 cm long.
- tube = 40 ml = 2 applications on short hair or 1 application on long hair.
- Developer at 4.5% - 15 vol. - 450 ml (11 to 22 colors).
- Mix 1 + 1.
- Break time: 5 minutes.