Kelp Extract Goed Antioxidant Anti-aging Kalmerend Hydratatie Kelp Extract at a glance Extract of brown algae Rich in B vitamins + other antioxidants Has soothing and hydrating properties Kelp Extract description Kelp extract is a general term describing extracts from brown algae. There are 30 types of genera (the plural form of genus) of kelp, and many of them are used in cosmetics. Kelp extract is valuable because it’s a rich source of B vitamins and other antioxidants that can help prevent oxidative stress. It also has soothing and hydrating properties when applied to skin, mostly from the complex sugars (polysaccharides) naturally present. For more information on specific types of kelp extracts, please see our entries listed below under “Related Ingredients”. Related ingredients: Algae Laminaria Ochroleuca Extract Macrocystis Pyrifera Laminaria Digitata Extract