Laura Mercier';s specially designed puff moulds and conforms as needed to pick up, hold and apply powder. To be used with the Loose Setting Powder, each puff is useful for application to all areas of the face. Wash with mild soap by hand or machine wash in a lingerie bag. Saturate the puff with powder. Remove excess by tapping the puff on top of your hand. Gently press puff on the skin, using a rolling motion to work the powder into the skin.