An expertly designed dual-ended foundation brush. The COVER end mimics the shape of a finger to provide precise foundation application, while the unique BUFF end is the perfect shape and firmness to bounce and buff makeup over the contours of the face. Perfect tool for finger application fans. Dermstore has partnered with Flex to allow you to use your Health Savings Account (HSA) or Flexible Spending Account (FSA). This means you can now use your HSA or FSA debit card to buy Kevyn Aucoin products with pre-tax dollars, resulting in net savings of 30-40%, depending on your tax bracket. Eligible for HSA/FSA with a letter of medical necessity at checkout. From dermatologist-recommended treatments to solutions for chronic skin conditions like acne, eczema, and rosacea, these products are both effective and eligible. | Kevyn Aucoin The Duet Foundation Brush | Dermstore