What it is: A colour-free primer base designed to be worn under lipstick to reduce feathering.What it does: The lip primer adds light moisture while smoothing and refining the lips. It improves the appearance of applied lip products while reducing lipstick feathering and providing immediate hydration. How to use: Apply a thin coating over entire lip area and over lip edges. Follow with lip colour and, if desired, line lips. America's #1 Lip Primer by The NPD Group/US Prestige Beauty Total Measured Market, Makeup Product Sales, 2020 Oil-free; fragrance-free Dermatologist tested