Vivitone PRISMA Hair Color AMMONIA FREE - 100% GREY COVERAGE ~ CHOOSE COLOR - PERMANENT COLOR W / KERATIN 2.09 oz. (HARD to FIND - ORIGINAL PACKAGING) FREE SHIPPING IN THE UNITED STATES! (Please note that we do not control the delivery methods of our shipping vendors e.g. USPS - UPS) Product Description Key Features Permanent, ammonia-free formula ? designed to gently color hair while minimizing harsh chemical exposure, making it a safer alternative for both clients and stylists. 100% gray coverage ? offers reliable coverage for grey hair with a natural-looking finish. Nourishing blend of oils and keratin ? fortified with jojoba oil (or similar oils) and keratin protein complex, which penetrate deep into hair fibers to enhance softness and shine while preserving hair health. Advance color delivery ? uses monoethanolamine to gently open the hair?s cuticle for effective dye penetration without the harshness of ammonia. Made in Italy, professional-grade, and offered in a variety of shades?especially blondes, browns, and coppers, shades available are listed in dropdown box. Developer Mixing Ratio Recommended mixing ratio: 1 part color to 2 parts developer (Example: If you use 1 oz of color, mix it with 2 oz of developer) Which Developer to Use? That depends on your goal: Developer Volume Lift/Result 10 vol (3%) Deposits color only Darkening hair, toning, gray coverage 20 vol (6%) 1?2 levels of lift Standard gray coverage, slight lightening 30 vol (9%) 2?3 levels of lift Lightening natural hair color 40 vol (12%) 3?4 levels of lift High-lift, not typically used for toning (Developer Sold Separately) FOR PROFESSIONAL USE ONLY ~ BLUESTAR CANNOT BE HELD RESPONSIBLE FOR ERRORS MADE BY NON-PROFESSIONALS THANK YOU FOR SHOPPING BLUESTAR BEAUTY STORE!! Listing Updated / Revised as of 08/28/2025 AB!