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. Our package includes: 1* mountain wool soft brush, 1* wood comb. Professional Tip: Use directly after a warm bath to get the best results. The natural mountain wool bristles are very soft and gentle on the scalp that is sensitive to the baby. 100% natural mountain wool bristles help prevent and reduce CRADLE CAP by removing the flakes on the scalp. Good helper for baby growth: The wooden comb is made of natural wood and does not generate static electricity.The scalloped wooden comb is ideal for baby-sensitive scalp, increasing blood circulation, allowing the baby to relax and sleep better.