Over 3 million women and men have used Toppik to reclaim the confidence that comes with a full head of hair. Toppik offers a complete range of solutions that instantly eliminate the appearance of fine, thin or thinning hair. Their Hair Building Fibers are made of natural, colored Keratin protein, the same protein that hair is made of. The Fibers have a strong natural static charge that tightly and undetectably binds them to even the finest strand of human hair, creating a thicker, fuller look. They resist wind, rain and perspiration.