Astaxanthin
Red carotenoid from the microalga Haematococcus pluvialis. A strong antioxidant, but topical formulas run into its low penetration ability.
ProtectionAnti-aging
Evidence by route
Topical application
CWeak evidence. In vitro data, open-label studies, or expert consensus.
Small clinical studies show improved hydration and reduced wrinkle depth with long oral intake. For topical application the evidence base is more modest.
Tolerability and safety
Irritation potential
LowAllergen risk
LowPregnancy
SafeSkin types
Suitable for
OilyDryCombinationNormal
Frequently asked questions
Is Astaxanthin safe during pregnancy?
Astaxanthin is considered safe during pregnancy at typical cosmetic concentrations. Systemic absorption through the skin is minimal.
What skin types is Astaxanthin for?
Astaxanthin suits: oily, dry, combination, normal.