ECO-FRIENDLY DESIGN: 100% bamboo hairbrush made with natural rubber and sustainable bamboo. Fully biodegradable - even the pins are 100% pins will not damage the hair like a standard plastic pinned brush and will help create a sleek and shiny hair. Less snagging and hair breakage when you use a wooden or bamboo hair brushes. NYLON BRISTLES: These wavy bristles help to smooth and gently detangle hair easily. This type of bristle creates less overall tension on the hair reducing breakage, flyaways and static. This design keeps hair more healthy overall.