NEW! Algenist Elevate Advanced Retinol Serum. Firming. Alguronic Acid+Retinol Size 1 oz This advanced vegan serum is formulated with a pure, vegan retinol encapsulated with a green algae to preserve retinols efficacy (exclusive). This high-performance formula, gentle enough to use every day and night, combines with a high-concentration of our patented alguronic acid, naturally sourced and sustainably produced from algae, to help enhance skin firmness, visibly improve skin texture, and minimize the appearance of fine lines and wrinkles.