SEMI-PERMANENT HAIR COLOR COLOR THAT KNOCKS OUT GRAYS By using natural oxygen, our ammonia-free AdvancedGray Solution provides a gentle color with 2X the graycoverage for twice as long.**Compared to Beautiful Collection Moisturizing Color Advanced Gray Solution benefits include: Advanced O2 Technology No ammonia, no peroxide 9 gray-busting shades 2X the coverage for 2X as long** Lasts up to 12 shampoos Leaves hair full of shine and feeling moisturized Gentle enough to use immediately after relaxing