WHAT IT ISChromaSilk Hair Color is the finest, most versatile hair color in the professional industry with a low-level ammonia formula that preserves the integrity of the hair.WHAT IT DOESChromaSilk's superior dye load ensures complete grey coverage and rich vibrant colors. ChromaSilk is enriched with pure Silk and Keratin Amino Acids to provide unmatched shine, silkiness and long-lasting color. When used with PRAVANA developers, ChromaSilk creates a beautiful long-lasting natural looking hair color. When used with PRAVANA Zero Lift Developer, ChromaSilk performs as a perfect no-lift demi-permanent. ChromaSilk comes in a stunning array of crème colors. The 000-Lightening Booster will help achieve 4 levels of lift and will process for 45 minutes.WHAT ELSE YOU NEED TO KNOW• Silk Amino Acids act as a color carrier to help drive color deep into hair’s cortex• Keratin Amino Acids strengthen hair’s fiber and help color adhere to the hair shaft• Low ammonia allows color to function as either no-lift demi-permanent or permanent hair color• High-level dye load provides superior coverage of gray and allows for vibrant, rich, long-lasting colorPravana Correctors:• Ash Green neutralizes red tones when starting level is 1-3• Ash Blue neutralizes orange tones when starting level is a 3-5• Ash neutralizes orange/gold tones when starting level is a 6-8• Red and Yellow add warmth and brightnessExclusive To PRAVANA:• Paraben-free• Zero phthalates• No animal testing• Free from MEA and DEA• EPA and CARB complian GAT A FREE BRUSH WHEN YOU BUY 6 COLORS OR MORE !!!!!!!