CLARISONIC Radiance Brush Head provides a gentle yet effective cleanse with extra-soft and plush bristles and rounded bristle tips.How to use: To attach the brush head, align the three notches with the three pins on the handle, then push down and twist clockwise. To remove the brush head, grip the brush head firmly, then push down and twist counterclockwise. Style Name:Clarisonic Radiance Brush Head. Style Number: 847841. Available in stores.