Sevich hair fibers,has more than 9 year manufacturing experience,offering professional &  solution for balding and thinning hair for both men and women. Sevich hair fibers are a  finely textured natural substance that binds to your existing hair and forms a complete layer of "hair" above your scalp,Thus, your hair looks thicker and fuller within 5 seconds.Unlike similar products. it is made of non-toxic natural plant fibers an proven safe and effective.