Dermatologist developed, Clinique's Sonic System Purifying Cleansing Brush has sonic movements which offer deep yet gentle cleansing. The brush features two bristle types for targeted cleansing in hard to reach, contoured areas of the face where dirt hides. In today's environment, skin needs a deeper clean. The brush's gentle sonic action helps dislodge a world of impurities, dirt and pollution that hand washing may miss. It even helps lift residue of make up and sunscreens. Like all Clinique skin care, it was developed with the expertise of guiding dermatologists. Their recommendations – tilted head, two types of bristles – were Swiss engineered to create a precision instrument you'll find a pleasure to use.Clinique Sonic System Purifying Cleansing BrushWaterproofFor all skin typesUse once daily for 30 seconds. Build up to 1 minute, twice daily.How to use: Apply cleanser to moistened skin or brush head. Massage in circular motion for 15 seconds on cheeks using white bristles. Massage in up and down motion for 15 seconds on T Zone using green bristles. Rinse and pat dry. Exfoliate and moisturise. Rinse brush head after each use.