Avocado Zinc's SPF (Kabuki) Brush has been specifically designed for applying our SPF products to the face, to achieve a quick & easy, flawless finish. Why you need our SPF Brush: Quick & easy application Flawless airbrushed finish Mess-free Vegan synthetic fibres Eliminates any white cast HOW TO CLEAN: Simply get a bar of soap and rub brush against bar of soap under warm running water until clean. Dry with an old flannel / towel. We recommend cleaning once a week to ensure hygienic SPF application everyday.