CATEGORY: Semi-Permanent Can be used immediately following a relaxer service. No ammonia. No peroxide. Provides intense gray coverage with Advanced O2 Technology and works as a great refresher for permanent color to add luster to dull-looking hair. Advanced O2 Technology uses oxygen in the air as the catalyst to develop the color vs. heat or hydrogen peroxide. The end result is shiny, moisturized color with gray coverage that lasts up to 12 shampoos. Nine intermixable shades that cover gray on heads with up to 50% gray. MIXING All Advanced Gray Solution shades are intermixable for custom colors. No developer is used with Advanced Gray Solution shades. Intermixing with Beautiful Collection Moisturizing Color is not recommended. APPLICATION Apply directly from bottle generously and thoroughly to shampooed and towel-dried hair. TIMING Process 25 minutes at room temperature. Use of heat is not recommended. Rinse well and do not shampoo.
