If you’re suffering from hair loss or thinning hair or your hair is fine, it needs to be handled with care. The Mason Pearson Handy Sensitive Hairbrush uses specially-selected fine boar bristles to gently massage the scalp and stimulate natural oil production for healthier-looking, shiny hair. Often used for Very fine or thinning hair, People who are losing their hair for medical reasons, including alopecia and chemotherapy, sensitive scalps and mid-length hair.