Retin-A is a topical retinoid available by prescription. It's the brand name for tretinoin. Like other retinoids, Retin-A is a derivative of vitamin A. While it is most often used to treat moderate to severe acne, Retin-A is used for other conditions, as well, according to the Mayo Clinic.
Acne Vulgaris
Retin-A is most commonly used to treat acne vulgaris. Tretinoin assists the exfoliation of epithelial cells in the skin and increases their turnover. The cells are shed before pores can become blocked, and acne is less likely to develop. Tretinoin is often used in conjunction with antibiotics such as erythromycin and clindamycin.
Hyperpigmentation
Besides treating acne, Retin-A can help lighten areas of hyperpigmentation, such as age spots, according to the Mayo Clinic. Also known as liver spots, these age-related blemishes are a result of repeated sun exposure. Over time, the melanin responsible for tanning can stick together, leaving dark spots on the skin. When combined with hydroquinone and a mild steroid, Retin-A can fade age spots. It may take several months, however, to yield results.
Stretch Marks
Another purpose for Retin-A cream is fading stretch marks. As you gain weight, the added pounds can cause the skin to expand, causing red to purplish streaks. The Mayo Clinic says you may see an improvement if you apply Retin-A to the stretch marks, especially if they are less than six weeks old.
Wrinkles
Because tretinoin promotes cellular turnover, Retin-A can reduce fine lines and wrinkles, according to the Mayo Clinic. For best results, the cream should be used daily. But Retin-A also makes the skin more sensitive to UV rays, so using a sunscreen is also recommended.
Other Skin Conditions
Topical creams containing tretinoin are used for the treatment of other skin conditions, such as keratosis follicularis, verruca plana, verruca plantaris and actinic keratosis. Verruca plana and verruca plantaris are types of warts, while keratosis follicularis and actinic keratosis are conditions that cause bumps on the skin. Consult your doctor about using Retin-A to treat any of these conditions.
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