What it is: A four-piece set of replaceable brush heads for the Clarisonic® that are gentle enough for everyday use, offering cleansing solutions for every skin type. What it does: Perfect for exfoliating skin, shaving prep, and for use on the décolleté and body, these brush heads do it all. The sensitive brush head is ideal for most skin types, including sensitive or combination skin while the acne brush head features extra-plush bristle gradation to provide an ultragentle cleanse for acne-prone skin. The deep pore brush head is engineered with graduated dual-action bristles to flush out oil and debris in clogged pores for a super smooth finish. For optimal results, brush heads should be replaced every three months.