What it is: A deeply hydrating anti-aging lip serum that promotes the look of shapely contours for lips that appear plump and filled with youthful vitality.What it does: Featuring a silky texture, this serum helps the appearance of firmness while providing softening and smoothing benefits, too. Instantly refreshing on application, it conditions lips for brighter, more youthful-looking lip color while creating a soothing, cooling experience thanks to its metal applicator. How to use: Use as the final step in your morning and evening skin care regimen. Squeeze a generous amount of serum from the tube and smooth over your lips, starting in the center and working outward. Gently massage your lips using the applicator in small, circular motions. Begin at the outer corners of your lips and work inward. 0.5 oz.