The Beaver Professional Keratin System Hair Building Fibers Gray 12 g is the ideal product to get a fuller, thicker, and longer hair look. It is made with the best-quality protein fibers that have static electricity to ensure secure bonding with your hair strands. With this product, now you can rock your desired hair look in just a matter of seconds.

It is specially designed to show amazing resistance against wind, rain, and perspiration for the best long-term results. However, you can easily wash it out with any shampoo in a single wash.