Face:
188 for Liquid Foundation
187 for Face Powders, and Mineralize Skinfinish
129 for Blush Powders
Eye:
242 for Paints, applying all-over eye color, building up color
217 for blending eyeshadow powders
219 for precision blending, and for smokey liner
Lip:
231 for blending lipsticks even though it's an eyeshadow brush! Lol