Ostwint Black Powder Wax — Ostwint Professional Black Powder Wax is a black powder hair fiber styling product with a Toppik-effect finish, designed to help sparse or thinning-looking areas appear denser and fuller. The extra fibers coat the hair for a natural-looking, stronger, and fuller appearance. How to use: shake the bottle, apply the powder to the thinning area, gently tap the hair to distribute the fibers, and style lightly after application. Ingredients: Not publicly listed in the online sources found.