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Astaxanthin protects the skin against UV damage

Ultraviolet (UV) radiation from the sun and other sources can damage the skin, reducing its biological barrier function.

In this study, 23 healthy Japanese men and women, aged 30 to 59, took 4 mg of astaxanthin per day, or a placebo.

At the beginning of the study, doctors tested participants’ skin to determine the smallest amount of UV that would induce reddening, yet still fully recover within 24 hours.

After nine weeks, skin in the astaxanthin group could be exposed to UV longer without reddening, compared to placebo. Those taking astaxanthin also retained more skin moisture in the area exposed to UV. In areas not exposed to UV, the astaxanthin group also saw improved skin texture compared to placebo.

 

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