Bleacher mask is an innovative formulation bleach that uses Thermal Water instead of hydrogen peroxide, has a controlled lightening, and lightens natural, colored hair of 2 - 3 tones ( cold water), with the great advantage of not giving swelling in the application and not releasing ammonia vapors and is indicated for sensitized hair or to obtain non-aggressive lightening. It can be repeated several times and each application you get: • 2 - 3 lightening tones (Cold water) • 3 - 4 lightening tones (Hot water) exposure time is thirty minutes without damage to the hair and of the skin. With Bleacher Mask you will have natural lightening, soft and soft hair, brilliant reflections