Brush Well. Clarisonic Dual Brush Head Pack - Delicate is a duo of super-soft brush heads that are designed to work with highly sensitive skin, including acne- and rosacea-prone complexions. All Clarisonic brush heads are made from a nonporous, soft elastomeric material, resistant to bacterial attachment. All brush heads are precision-designed to oscillate bi-directionally at a sonic frequency. A duo of ultra-soft brush heads for the Clarisonic Skincare Brush. Cleanses and exfoliates skin. For sensitive skin types. Especially Suited For: Sensitive skin. Essential Elements: Set contains two Delicate Brush Heads. For Best Effect: Replace your Clarisonic brush head every 90 days.