With over 130 year of experience, Mason Pearson's brushes are made to last. The Mason Pearson Sensitive Bristle Brush is in a category of it's own, specially hand-crafted and developed for those with thinning or very fine hair. Gently stimulating the scalp. The soft Boar bristle tufts detangle, groom and style. This pocket sized handy was made to care for your and built to last!6 rings of Soft Boar bristles tufts detangle, groom and style.