UOG Hair Building Fibers are crafted from natural, colored Keratin Fibers that seamlessly blend with your own hair. Made of natural, colored Keratin Fibers Infused with static energy for secure bonding Resistant to wind, rain, and sweat Easily removed with shampoo Suitable for all hair types and textures Designed for use by both men and women https://lacewigglue.com/product/uog-hair-building-fibers/