Astaxanthin provides sun protection

Skin exposed to the sun secretes enzymes that degrade collagen and elastin, causing skin aging and inflammation.

In this study, 65 healthy women took 6 mg or 12 mg of astaxanthin per day, or a placebo. After 16 weeks, wrinkles increased and moisture declined for placebo while remaining stable for astaxanthin.

Inflammation in the top layer of the skin increased significantly for placebo, slightly for the low-dose group, but not at all for the high-dose astaxanthin group. Separately, in the lab, doctors exposed skin cells to sun-like ultraviolet-B radiation. Untreated cells became injured and inflamed, while cells treated with astaxanthin remained healthy.

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