SYNCHRO SKIN self refreshing dual tip concealer 401 5,8 ml SYNCHRO SKIN self refreshing dual tip concealer #401 5,8 ml is a dual-tipped concealer that is designed to provide full coverage and long-lasting wear. It is formulated with Synchro Skin technology to create a self-refreshing formula that stays put all day long, and can be used to cover up dark circles, blemishes, and other areas of discoloration. The dual tip allows for easy application and blending, and the lightweight formula is designed to feel comfortable on the skin.