Made of pure NATURAL HUMAN HAIR and applied in seconds, human hair Fibers instantly create natural looking fuller and thicker hair. The tiny hair fibers are shaken on from the special container and bind securely to your hair from the root to the tip, until you wash them out. human hair fibers are natural human hair, so they're totally safe with no side effects at all , they contain no artificial colors and dyes and no chemicals at all. They've also been independently dermatological tested to prove they're safe to use every day. Safe for Male and Female Thinning Hair