Mason pearson hairbrush pocket bn4 cleans the hair while stimulating the scalp and increasing the blood flow to the roots sebum a natural conditioning oil comes from a gland at the base of every hair follicle and brushing helps it to spread along the length of the hair to give it strength and suppleness while providing a healthy sheen the brush is comprised of a mixture of 5 rows of pure boar bristles and nylon tufts that are ideal for thick or long hair this classic and original mason pea