Laminaria Digitata Extract Best Plant extracts Anti-Ageing Soothing Laminaria Digitata Extract at a glance Marine plant extract that can soothe distressed skin Visibly eases signs of aging due to sun damage Plays a role in reducing acne-related redness Also known as sea kelp and brown seaweed Laminaria Digitata Extract description _Laminaria digitata_ is a marine plant extract rich in nutrients and compounds that help to soothe signs of reddened, irritated skin and mitigate signs of sun damage. Also known as sea kelp and brown seaweed, _Laminaria digitata_ contains skin-soothing beta-glucan, polyphenolic antioxidants known as phlorotannins (these help brown seaweed withstand UV exposure) and phloroglucinol, which are responsible for this extract’s skin-calming benefit. These and other antioxidants help support skin’s firm look and feel, making _Laminaria digitata_ a great option to see in anti-aging products. Usage levels of _Laminaria digitata_ extract range from 0.0001%–5%, depending on formulary needs and desired claims. It is among the edible types of seaweed and several toxicology tests have consistently shown this extract is non-irritating when applied to skin. Related ingredients: Laminaria Digitata Beta-Glucan