Before & After The Science of Toppik Instantly Eliminate the Appearance of Baldness and Thinning Hair. Toppik Hair Building Fibers are all natural Keratin "hairs" that bind to your own existing hair to instantly make your hair look fuller and thicker. Add "Hair" to your Hair To apply Toppik, simply shake it gently over your thinning areas. In seconds, thousands of tiny color matched hair fibers intertwine with your own hair. "Magnetized" with static electricity, they bond so securely that they will stay in place all day and night. Durable and Totally Undetectable Toppik won't come off in wind, rain or perspiration. It is totally undetectable, even from as close as two inches. Toppik stays securely in place giving natural-looking thickness and fullness until the next time you shampoo. It is compatible with all hair products and is great for both men and women. A Safe, Efficient Option Toppik is recommended by doctors because it is completely safe and works amazingly well with hair transplants.