Astaxanthin at a Glance
- Natural pigment found in algae, fungi, and bacteria
- Also found in aquatic organisms
- Rich source of antioxidants
- Has anti-inflammatory properties
- Boosts UV protection of sunscreens
Astaxanthin Description
Astaxanthin is a chemical found in types of algae (including _Haematococcus pluvialis_), fungi, bacteria, and aquatic organisms. It is a naturally occurring red pigment that gives certain species of shrimp their red coloring. It is also used commercially as a food additive since it’s considered Generally Recognized as Safe (GRAS) by the U.S. Food and Drug Administration.
Studies find that astaxanthin has a wealth of benefits when applied to skin. It is a rich source of antioxidants that fight the oxidative stress that leads to visible skin aging. It also has anti-inflammatory properties that soothe reactive skin.
an FDA approved UV filter, so it should not be relied upon solely for sun protection. Still, its potential to improve sunscreen performance makes it an exciting ingredient to see included in skin care products.
Use levels of astaxanthin in skin care typically range from 0.01–0.07%. These low amounts, which will impart color to a formula, are a testament to how potent this antioxidant is.
Astaxanthin References
AAPS Open, September 2024, 1-16
Algal Research, July 2023, ePublication
ACS Omega, May 2023, pages 19,311–19,319
Marine Drugs, August 2021, pages 1-17
Nutrients, July 2021, pages 1-18
Life, September 2020, pages 2-8
Journal of Dietary Supplements, March 2020, pages 169-182
Journal of Cosmetic Dermatology, January 2020, pages 22-27