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Q: I just bought a 10 percent glycolic peel to treat my melasma, as well as for anti-aging benefits and getting a glow/radiance.
Will glycolic acid stimulate collagen production as well as retinoids have been proven to? — Jody
A: Jody, retinoids are the "gold standard" for stimulating collagen.
In North America, they are by prescription only. There are some negatives when using them, though. They can be drying, irritating and not everyone can tolerate using them every day.
Related: How To Use Retin-A
Glycolic acid does a better job at surface changes, such as making the skin smoother and helping a bit with colour.
For your melasma, retinoids or bleaching creams would be recommended.
For glow/radiance, you can use the glycolic acid or try a peptide cream.
Dr. Nowell Solish is one of Canada's top cosmetic dermatologists, with an office at 66 Avenue Road, Suite 1, in Toronto. Call 416-964-8888 to book an appointment.