How do you use ELF brushes?

How do you apply foundation with Elf brush? 

How do you use the ELF flawless face brush? This cruelty-free brush is made with 100% animal hair-free, synthetic bristles. Dip the brush into powder and sweep over the face in broad strokes for even coverage. Use the contoured edges to apply blush and bronzer. Clean regularly with brush shampoo to avoid bacteria build up.

How do you use the elf complexion duo brush? All e.l.f. products are cruelty free and vegan. Use the larger end of the makeup brush to apply foundation using a circular motion on the large areas of the face. Use the smaller end of the brush to apply and buff concealer in the smaller areas of your face.