Plankton + PHA™ Flower Acid Algae Serum. Buy NEW Mara Flower Acid Algae Serum Exclusive & . . Free Gift Full Size Sea Silk Lip Balm in Clear (Online. While Supplies Last.). . This product is: . A powerful 3-in-1 resurfacing serum comprised of lactic acid, three bioactive flower acids and polyhydroxy acid to exfoliate, brighten, stimulate cell renewal and dramatically retexturize overnight.. Good for:. All skin types, especially dull, dry and blemish-prone skin. Why we love it:. Surrender to soft, smooth skin with this powerful yet gentle 3-in-1 resurfacing sérum comprised of 8% vegan lactic acid, a trifecta of bioactive flower acids and polyhydroxy acid to exfoliate, brighten, stimulate cell renewal and dramatically retexturize overnight. This transformative, maritime-rich formula is brimming with proprietary algae, microalgae and aqueous herbs that visibly tighten, strengthen the hydrolipidic barrier and retain moisture. Plus, a splash of French sea water gently renews and refreshes for smoother, brighter, younger-looking skin. #SeatheGlow®.