28g of Black Keratin Hair Fibers , BEAVER fibers are made of all natural organic keratin protein, the same protein that hair is made of. The fibers are charged with static electricity so they intertwine with your own hair and bond securely. Just shake on the BEAVER fibers. They stay in place all day, all night. Brand New in sealed package. BEAVER fibers are made of all natural organic keratin protein, the same protein that hair is made of. The fibers are charged with static electricity so they intertwine with your own hair and bond securely. Just shake on the BEAVER fibers. They stay in place all day, all night. BEAVER Hair Building Fibers is a cosmetic breakthrough that immediately gives men and women thicker-looking hair, transform your appearance in 30 seconds.Made of pure organic protein, BEAVER Hair Building Fibers is completely undetectable and resistant to wind, rain and perspiration, yet easily washes out with shampoo. If you're a man or a woman with thinning hair, BEAVER KERATIN HAIR THICKENING SERIES will transform your appearance, restore your confidence and help you to look years younger.