The Ordinary Marine Hyaluronics 1 oz US seller What it is: A serum that brings together lightweight marine-derived water reservoirs that attract and hold water like hyaluronic acid. Skin Type: Normal, Dry, Combination, and Oily Skincare Concerns: Dryness Formulation: Lightweight Serum Ingredient Callouts: Free of parabens. This product is also vegan, cruelty-free, and gluten-free, and comes in recyclable packaging. What Else You Need to Know: This serum contains exopolysaccharides from skin-friendly marine bacteria, Hawaiian red algae, glycoproteins from Antarctic marine sources, micro-filtered blue-green algae, and several health-supporting amino acids. It is light in texture and supports skin hydration.