This environmentally friendly bamboo toothbrush is made with soft bristles. It's bisphenol A (BPA) free, Fairtrade and vegan. Made of MOSO® bamboo, which is heat treated to prolong its life. The bristles are made from a BPA free polymer resistant to microbial growth during normal use, to ensure safety and durability. We recommend you rinse and dry your toothbrush after use to keep it clean.