Bigen Semi R4Bigen Semi-Permanent Hair Color is a gentle, oil-rich, conditioning formula nourishes hair with honey, beeswax & sunflower, while providing long-lasting color without ammonia or peroxide. Excellent gray hair coverage. Safe for all hair types including chemically treated and relaxed hair. Leaves hair shiny, soft and beautiful.Long lasting color with shiny sleek resultsAmmonia and hydrogen peroxide-freeEffective color depositing; minimal drippingSafe to use immediately after chemical services