La Mer 1 oz. The Regenerating Serum Visibly diminishes lines and wrinkles. A rich, silky formula that melts into skin and supports skin's natural repair activities What It Does Rapidly diminish the look of lines and wrinkles for a regenerated look of youth. With a new Metabolic Ferment and an added dose of Miracle Broth, this supercharged serum helps skin boost natural collagen and revs up visible renewal. The next (re)generation is here. How To Use - To release key ingredients, shake.