Does retin-a reverse sun damage?

Retin-A. Retin-a users reported improvements in skin texture, including diminished wrinkles and brown spots. Early studies soon confirmed its anti-aging effects. In 1988, dr. Voorhees and his colleagues at michigan published the first double-blind study of retin-a’s effect on photodamaged skin and found that all 30 patients who completed the 16-week study showed statistically significant improvement.
Exfoliation. Retin-a works in many ways to improve the skin. It helps with exfoliating the skin so the skin looks glowier and more youthful. It helps depigment brown spots to provide a more even look. And if used regulary over long periods of time, can help correct cellular damage (greater than one year on 0.1% cream). Use Retin-A early, start with a low dose and increase as tolerated.
Retin A (tretinoin) It can reduce fine lines and some blotchy skin color caused by sun.