Marine Moisturizing Polysaccharide (Hydrolyzed Algin)

Hydrolyzed Algin is a water-soluble marine-derived polysaccharide obtained from alginates (brown seaweed sources) that has been partially hydrolyzed to improve solubility and performance. Valued in cosmetic formulations for its hydrating, soothing, and film-forming benefits, it helps bind water at the skin surface to enhance softness and comfort while creating a light, flexible veil that supports smoother-looking texture. It can also contribute to improved viscosity and a refined sensorial profile, making it useful in both leave-on and rinse-off systems, including mask and gel textures. Well-suited to moisture-boosting, barrier-comfort, and calming concepts, Hydrolyzed Algin is commonly found in serums, moisturizers, toners, sheet masks, gel creams, cleansers, and after-sun products, typically used at low to moderate levels and formulated for broad compatibility across skin types, including sensitive skin.