【New & Unopened】Regrowth Lab Hair With Hair Building Fiber (Natural Black) 15g 1 bottle This is a hair powder (concealer) from Regrowth Lab containing keratin fibers. Sprinkle it on the scalp to make the scalp less visible. It provides a natural finish and lasts for a long time. Unisex. 【How to Use】 Apply to dry hair. Sprinkle on the areas of concern. Gently tap your hair to disperse the fibers. New and unopened. Please refrain from complaints after purchase. Will be shipped via Yu-Packet Plus with simple packaging.