Herpes and Glycolic Acid | Are you concerned about an outbreak?
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Herpes and Glycolic Acid Facial Peels
Glycolic Acid is an alpha hydroxy acid used to smooth the skin surface, even pigmentation, and improve the appearance of fine lines. Glycolic acid peels are usually done in a series. Each peel may be stronger.
Always tell your practitioner if you are aware you have cold sores. When a patient has previous knowledge of their herpes infection, they should use a prophylactic oral antiviral medication. It is suggested to treat with acyclovir or valtrex three times a day beginning on the day before or day of the procedure and continuing for 7-14 days, depending on how strong the acid is. Some practioners treat all potential patients with antiviral agents whether the patient knows of a positive history or not, since many people are asymptomatic. When active herpes infections are treated with antiviral agents early, they usually do not scar.
People who are concerned about an outbreak should treat a small area first before they do the entire glycolic peel. If a client has an active cold sore before the procedure, they should reschedule until it is totally healed.
The short answer
Glycolic acid peels are popular and generally considered gentle, but any treatment that removes the top layer of skin can wake up the cold sore virus in people who carry it. A little planning with your provider usually lets you go ahead safely.
Key facts
- Glycolic acid is commonly used in light chemical peels, which remove the outer layer of skin.
- Mayo Clinic lists a flare-up of the herpes virus (the cause of cold sores) as a possible risk of chemical peels.
- A doctor may advise against some peels if you have frequent or severe cold sores, and may prescribe antiviral medicine before and after the procedure.
- Injury to the skin is a known trigger for herpes outbreaks.
When to talk to a doctor
Before any peel or skin-resurfacing treatment, tell the provider if you have ever had cold sores or herpes, even if it was years ago. Postpone the treatment if you have an active sore. See a doctor if blisters or sores appear on treated skin after a procedure.
Related reading
Sources
- Mayo Clinic – Chemical peel
- Mayo Clinic – Laser resurfacing
- World Health Organization – Herpes simplex virus fact sheet
This is general information, not medical advice. Please see our medical disclaimer. Section added October 2026.
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