FLUID HAIR DYE: Reflections and Nourishment NATURLAB FLUID HAIR DYE is the professional line of natural based dyes, easy to apply in the salon and at home: the dye colors evenly, the natural active ingredients restructure the stem and moisturize the entire hair. Color has soft, natural reflections; it’s easy to apply and covers white, discolored hair. Gently covers white hair, leaving it soft, velvety and shiny, giving body and new strength; performs a balancing and protective action on the scalp. Usage: Apply directly to previously shampooed, well dabbed and dried hair. After 40 or more minutes of laying, rinse thoroughly with warm water until the rinse water is "completely clear". No need to make additional shampoos. Proceed with folding.