It's engineered to be used with cosmetics and across all types of formulas - liquids, powders and emolients. Each fibre bundle is packedwith 3-10 times more fibres than their closest makeup brush counterpart, and the tip of each CosmeFibre tapers down to 3 microns so you get the softest application and superior results. The handle is ergonomically designed to fit more comfortably in the hand of the user. Each brush is weight-balanced, which helps enhance application and performance.