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1 Vitamin A-Retinoids, derivatives of vitamin A, are used to treat acne and other skin disorders. 2  Retinoids are prescribed by dermatologists both topically and orally. 3  A common type of retinoid used in the oral treatment of acne is isotretinoin. Omega-3 Fatty Acids-Omega-3 fatty acids from fish oil, chromium, zinc, and selenium are nutrients that may have both anti-acne and mood regulating properties according to an acne study conducted at the Lasky Skin Clinic in 2008.
Vitamin C is a chemical called ascorbic acid that is naturally occurring in skin. It is known to play a role in collagen production. In addition, when topically applied it is thought to help heal acne, increase the barrier function of skin to decrease moisture loss, protect from UV radiation, and prevent age spots.