Synopsis

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

Carotenoids, such as beta-carotene, lutein, and lycopene, are pigments found in plants that have antioxidant properties. Their use for age spots (also known as liver spots or solar lentigines) is primarily based on their ability to help protect the skin from oxidative damage caused by ultraviolet (UV) radiation. Scientific studies suggest that carotenoids can accumulate in the skin and provide a certain degree of photoprotection by neutralizing free radicals generated by UV exposure, which is a contributing factor in the development of age spots. Some clinical trials and observational studies indicate that higher dietary or supplemental intake of carotenoids correlates with reduced skin damage and pigmentation changes associated with photoaging, including age spots. However, direct evidence for carotenoids specifically reducing, treating, or preventing age spots is limited; most research focuses on general skin health and protection from UV-induced damage rather than targeted treatment of age spots. Thus, while there is scientific plausibility and some supporting evidence, it is modest and indirect, and carotenoids are not considered a primary, evidence-based treatment for age spots. The current scientific consensus supports their use more for general skin photoprotection rather than as a direct intervention for existing age spots.

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