Evidence supporting the use of: Carotenoids
For the health condition: Age Spots

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Synopsis

Source of validity: Scientific
Rating (out of 5): 2

Carotenoids are naturally occurring pigments found in plants, fruits, and vegetables, with notable examples including beta-carotene, lutein, and lycopene. Their use to support or treat age spots (also known as solar lentigines or liver spots) is primarily grounded in their antioxidant properties, which can help protect the skin from oxidative stress and photoaging caused by ultraviolet (UV) radiation. Scientific studies have shown that carotenoids can accumulate in the skin and provide some degree of photoprotection by neutralizing free radicals generated by UV exposure, a major contributor to the formation of age spots.

However, while there is modest scientific evidence to suggest that dietary or topical carotenoids may help reduce the risk of developing new age spots and may improve overall skin tone, there is limited direct evidence demonstrating that carotenoids can significantly lighten or remove existing age spots. Most clinical research focuses on their general anti-photoaging effects rather than specific outcomes for hyperpigmented lesions. Reviews and small studies indicate that carotenoid supplementation can improve markers of skin health and possibly decrease pigment formation, but the effect size is modest, and more robust, targeted clinical trials are needed.

In summary, the use of carotenoids for age spots has some scientific basis, particularly in prevention and skin protection, but the evidence for their efficacy as a treatment for existing age spots is limited (evidence rating: 2/5).

More about carotenoids
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