Clinique Sonic System Extra Gentle Cleansing Brush Head: -Dermatologist-developed especially for sensitive skins. -Extra-soft brush head contains specially angled, super-fine bristles that treat delicate skins with care. -Two bristle types go gentle on cheeks, target the T-Zone. -Ever-so-gently lifts the impurities hand washing may miss. -Gentle sonic action helps boost skin's glow.