Clarins Foundation Brush Clarins new Foundation Brush is perfect for everyday use. Made from exceptionally soft bristle hair & dense synthetic fibers, the sleek new designs also feature birchwood handles made from sustainably managed forests. Rapidly apply, blend and layer your foundation with this essential brush. It performs beautifully with liquid, cream or powder foundation, as well as concealer, for a smooth and luminous complexion that doesn't feel overloaded.