How to use: Simply glide your brush against the sponge to remove the colour for a fresh brush! Makeup brush cleaner: Get a Glamza colour switch makeup brush cleaner. Colour switch: This handy cleaner allows you to efficiently clean your makeup brushes in one swipe, so you can use multiple colours at once with the same brush! Reusable: Reusable and can be used on both sides. Wash with fragrance free soap and warm water. Eyeshadow: Perfect for eyeshadow and powdered makeup, not suitable for liquids.