Alguronic Acid: A skin-smoothing acid used to reduce and prevent fine lines, alguronic acid also boosts the efficacy of other skincare ingredients it's paired with, according to the brand.The Ingredients: Vegan collagen and algae extracts The Liquid Collagen serum leaves you dewy, glowing, and with noticeably enhanced skin. The treatment serum comfortably glides onto the skin with a silky, liquid texture. Algenist's Genius Liquid Collagen features a slightly viscous formula containing thousands of microalgae oil beads that dissolve while massaging into the skin.