The specialize baby brush and comb set are made of soft goat hair and tea wood,which is hypoallergenic,BPA free,a beauty and safety item. Please Note:Our baby hair brush is made of goat bristle, so it is very soft. Besides, it maybe shed off for it's natural goat hair feature which unlike the synthetic fiber. Our engineer have improved the hair-planting technology but not change the composition of the goat bristle. So please understand we keep the original goat bristle.