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Freckles are clusters of pigment-producing cells, called melanocytes.
In fact, the government advises those who freckle and burn easily to be especially careful to avoid sunlight, as they are at a higher risk of skin cancer. Ultraviolet light darkens freckles and stimulate more melanin to form. The safest way to diminish freckles is to avoid UV radiation by staying out of the sun and using a sunscreen with an SPF of 15 or higher. New questions are answered on the site every Tuesday and Thursday.