Toppik gives the instant appearance of a thick, full head of hair. Toppik Hair Building Fibers are made from natural Keratin of the highest grade, the same type of protein found in real hair, which makes it look completely natural and undetectable. These natural Keratin fibers have an innate static charge that ensures they adhere to any type of hair—even the finest of hair—and resist wind, rain and perspiration. Pack of 4