These beauty products are our absolute best sellers. They consistently give us the most positive feedback a seller would ever want. Check out the BEAVER Professional Keratin Hair Building Fibers to help get your confidence back in public or private. The BEAVER Professional Keratin Hair Thickening Shampoo does wonders to your hair. The BEAVER Argan Oil Shampoo hydrates and strengthens unmanageable dry or curly hair. Boost your luscious lashes with the Leopard Mascara Extender.