Applying the foundation is an art, otherwise you become a clown with a mask! How to best apply it? There are Mia's Oval Brushes, in 3 sizes 8-9-10 depending on the size of your face. Perfect for applying liquid, compact and mineral foundations. They give a perfect and uniform coverage for a quick, fast, professional and waste-free application. The 8 is for the small and angular little faces, 9 for a more regular shape, 10 for a more rounded face. You can no longer go wrong using foundation!