Ingredient guide
Astaxanthin
INCI name · astaxanthin
In short
Astaxanthin is a potent microalgae‑derived antioxidant that helps visibly reduce redness, uneven tone, and early elasticity changes. It is known for strong free‑radical‑quenching capacity.
Skin type
Dry · Sensitive · Combination
Best used
Morning
What it is
Ketocarotenoid from Haematococcus pluvialis microalgae; unique structure spanning the full lipid bilayer membrane allowing simultaneous radical quenching on both aqueous and lipid bilayer faces; singlet oxygen quenching capacity approximately 500× that of vitamin E in vitro; clinical evidence for topical application includes reduced wrinkle depth, improved skin elasticity, and decreased UV-induced pigment accumulation in controlled trials; inhibits UV-induced MMP-1 and MMP-2; natural orange pigment requires stabilised, encapsulated, or opaque formulation packaging.
Evidence receipt
No linked study yet
No verified study is linked to this exact ingredient and route. The guidance below describes conventional use; it is not evidence of efficacy.
When to use it
Mornings suit it best.
Where it sits
Serums sit after toner and before moisturiser. Thinnest to thickest, water before oil.
- Cleanse
- Tone
- Astaxanthin
- Moisturise
- SPF
Also found as
Related
Compare products
Browse product comparisonsWhere to find it
Examples, not a ranking. A product lookup can confirm identity and background; a verdict still needs the full ingredient list.
Product discovery is not efficacy proof. These examples are not ranked by commission.
Common questions
What does astaxanthin do for skin?
It helps soften the look of fine lines, support elasticity, and reduce visible redness. It also helps defend skin from environmental oxidative stress.
Is astaxanthin suitable for sensitive skin?
Most people tolerate it well, and its antioxidant profile can feel calming on easily flushed skin.
How do you use astaxanthin?
It’s usually found in moisturisers or serums and can be used day or night. Layering with hydrating ingredients can enhance comfort.
Stay in the loop
Get launch updates and occasional product news.
Unsubscribe anytime.
Checking a complete formula? Paste or photograph the ingredient list for the full verdict.
Personal guidance, not medical advice.