Characteristics
- INCI
- Ascophyllum Nodosum Extract
- CAS
-
84775-78-0
This is the substance number in the Chemical Abstracts Service registry. The CAS number uniquely identifies a substance regardless of language, trade name, or synonyms.
- EC
-
283-907-6
This is the substance number in the European chemical identification system (EC number), used in European regulatory databases including ECHA/CosIng.
- Functions
- skin conditioning
Who it's for
Description
Ascophyllum Nodosum Extract is a cosmetic ingredient derived from a brown seaweed that grows in cold ocean waters. In skincare and haircare, it’s valued for its mix of polysaccharides, minerals, amino acids, and antioxidants. You’ll often see it in products that aim to hydrate, soothe the look of stressed skin, and support a fresh, healthy-looking complexion. In hair formulas, it can help condition strands and leave them feeling softer and more manageable.
For skin, this seaweed extract is commonly used in products marketed for dryness, dullness, or a tired appearance, since it can help skin feel more comfortable and look a bit more plump and refreshed. It may also appeal to people who like marine-based ingredients and lightweight botanical formulas. For hair, it’s often included in shampoos, conditioners, and scalp products for a smoother feel and a more polished finish.
Caveat: as with any plant or algae-derived ingredient, sensitivity is possible, especially in very reactive skin. Its benefits are usually supportive rather than dramatic, so it works best as part of a well-formulated routine rather than as a stand-alone fix.
Products with Ascophyllum Nodosum Extract (580 total)
Most often found in Avene products (22 items)
