Group of sea plants (scientific name: algae) of all sizes and shapes, and having a gelatin-like consistency. Many seaweeds have antioxidant and skin-soothing properties, but many other claims of benefits are not proven or only apply to the plant as it exists in its natural environment, not mixed into a cosmetic product.

See algae

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About the Experts

Paula Begoun is the best-selling author of 20 books about skincare and makeup. She is known worldwide as The Cosmetics Cop and creator of Paula’s Choice Skincare. Paula’s expertise has led to hundreds of appearances on national and international radio, print, and television including:

The Paula's Choice Research Team is dedicated to busting beauty myths and providing expert advice that solves your skincare frustrations so you can have the best skin of your life!