They say that a smile is the best makeup a girl can wear - but that's because they haven't seen how a full-face looks after prepping the skin with La Mer's perfecting primer. This silky primer provides lightweight, oil-free coverage to minimize the appearance of pores and uneven skin. It delivers a smooth, ultra-hydrating base for makeup application and shields against environmental stressors. You can wear it alone to enhance your bare skin's natural beauty.