The Brush Egg is really easy-to-use with The Pro Hygiene Collection® Makeup Brush & Sponge Sanitizing Wash and is great for cleaning all makeup brushes whether natural or made-made hair. It fits over your fingers so you can quickly wash away all types of makeup products and especially deep pigments. The Brush Egg helps deep clean brushes by working the Makeup Brush & Sponge Sanitizing Wash into the brush gently making quick work of cleaning makeup brushes. Durable quality silicone finger glove. Quick and easy to use.