What is astaxanthin and where does it come from?

Astaxanthin is a red-orange pigment, a type of carotenoid, found in certain microalgae and the marine animals that consume them, such as salmon and shrimp. It is known for its strong antioxidant properties.

Can astaxanthin protect my skin from the sun?

While astaxanthin has antioxidant properties that may help reduce oxidative stress from UV exposure, it is not a sunscreen and should not be used as a primary form of sun protection. Always use a broad-spectrum sunscreen.

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Astaxanthin

Astaxanthin is a naturally occurring carotenoid pigment found in microalgae, yeast, salmon, trout, krill, shrimp, and crayfish. It is a powerful antioxidant that helps protect cells from damage caused by free radicals. In skincare, it's valued for its potential to reduce oxidative stress and support skin health.

NoneAntioxidantVeganEvidence: Medium

BenefitGood 2.8 / 4

Anti aging i2.5 / 4

Whether it can help visible signs of aging — fine lines, wrinkles, loss of firmness, or photoaging.

Uv protection i2 / 4

Whether it provides direct protection against UV radiation.

Barrier support i1.5 / 4

Whether it supports the skin barrier — restoring lipids, reducing water loss, aiding barrier repair, or strengthening the skin’s protective function.

Soothing i1 / 4

Whether it can calm the skin — linked to less redness, irritation, discomfort, or visible reactivity.

RiskVery low 0 / 4

Rated by SpottyLabs' ingredient methodology, independent of brands.

What it helps with

Potent antioxidant protection
May improve skin elasticity
May reduce UV-induced damage
Supports skin barrier function

Pairs well with

Vitamin C — Antioxidants often work synergistically, enhancing each other's protective effects against oxidative stress.
Sunscreen Filter — Astaxanthin can provide additional antioxidant support against UV-induced free radicals, complementing the protective action of sunscreens.

See how this matches your skin

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Products with Astaxanthin

BYOMA

Bio-Collagen Radiance Facial Mask

4.4/ 59/20/3

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Frequently asked questions

What is astaxanthin and where does it come from?: Astaxanthin is a red-orange pigment, a type of carotenoid, found in certain microalgae and the marine animals that consume them, such as salmon and shrimp. It is known for its strong antioxidant properties.
Can astaxanthin protect my skin from the sun?: While astaxanthin has antioxidant properties that may help reduce oxidative stress from UV exposure, it is not a sunscreen and should not be used as a primary form of sun protection. Always use a broad-spectrum sunscreen.