Hair Fibers for Thinning Hair — Plant-Based, Non-Itchy, Easy Wash Out | Hair Thickness Maximizer (Dark Brown)Instant, Natural Looking Coverage for Thinning Hair Hair Thickness Maximizer offers a plant based fiber solution designed to visually boost volume where you need it most. In seconds, tiny color matched fibers land on thinning areas, blending with your natural hair for a fuller silhouette. The light, breathable formula aims to feel comfortable while staying in place through everyday activities. Its designed to be easy to wash out with any shampoo at