F1: Slanted buffing brush that allows for even pressure and distribution of product across the face.
F4: A long brush with a tapered point for blush application.
F6: Flat, rounded brush for light powder blush application.
E6: A flat dense eye shadow brush to reduce fallout with precision placement and high pigment payoff.
E13: A medium, rounded brush used to smudge along the lash line and in the crease.