Prep brush – densely packed, firm bristles for mess-free application of moisturizers, serums, primers or masks dry. Facial brush – use this textured brush dry to gently exfoliate for healthy-looking skin under eye reviver – stationary. Use the aluminium ball for cooling under eye massage. Tip – use with favourite under eye cream. Lip exfoliating brush – use in circular motion with your favourite lip balm or lip scrub to exfoliate and smooth your lips for soft, kissable lips.