Tretinoin is a vitamin A derivative, or retinoid, that serves as the active ingredient in a variety of topical acne treatment products. According to manufacturer Ortho Dermatologics, Retin-A Micro combines slow-release technology that minimizes skin irritation with sponge-like microspheres that soak up excess skin oil.
Chemical Peel
The primary purpose of Retin-A products is to promote a light chemical peel that helps your skin slough off dead cells quickly and promotes the production of collagen under the surface of your skin, according to the Consumer Guide to Plastic Surgery website. Known as the retinoid effect, this chemical peeling improves skin texture, tone and contours.
Anti-Acne Treatment
The acne cycle starts with an overabundance of skin oil, which clogs your pores. Bacteria flourish in the accumlated oil, creating acne blackheads, whiteheads, pimples and pus-filled cysts, notes the American Academy of Dermatology. Retin-A penetrates below the surface of your skin to help open up clogged pores and prevent further acne blemishes from forming, according to Ortho Dermatologics, the company that makes Retin-A Micro.
Hyperpigmentation Treatment
Your dermatologist may recommend Retin-A Micro if you have skin that is hyperpigmented, which means it contains more melanin than surrounding skin areas. Hyperpigmentation can be caused by sun damage, aging and freckling, according to the Consumer Guide to Plastic Surgery. Retin-A Micro returns hyperpigmented areas to a color closer to that of your normal skin.
Skin Procedures and Surgeries
If you're planning to have a procedure such as laser skin resurfacing to reduce acne scars or facial surgery, your doctor may prescribe Retin-A products to prepare your skin for the procedure. According to the Consumer Guide to Plastic Surgery, you may be instructed to continue using Retin-A after the procedure to promote the growth of healthy skin.
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