This essential base by Laura Mercier is designed to perfect the canvas of your eyelids before color application. Ideal for ensuring eyeshadows appear true to color and last longer without creasing or fading throughout the day. Buff is a versatile shade that helps neutralize slight discoloration, creating a smooth, even tone ready for any eyeshadow look, from natural daytime wear to dramatic evening styles. It improves eyeshadow adhesion and longevity, making your vibrant pigments pop.