The evidence-based glycolic acid resource
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The most common questions about glycolic acid, answered directly.
Glycolic acid is an alpha-hydroxy acid (AHA) derived from sugarcane. It has the smallest molecular weight of all AHAs, which allows it to penetrate skin more effectively and accelerate the shedding of dead skin cells.
Read more →It can be, with the right approach. Start with a low concentration (5% or less), use it no more than twice a week, and always patch test first. If you experience persistent redness or stinging, consider gentler alternatives like lactic acid.
Read more →Beginners should start with once or twice per week and gradually increase frequency over several weeks. Most people tolerate daily use at lower concentrations (5-10%), but higher concentrations should be used less frequently.
Read more →Glycolic acid is a water-soluble AHA that works on the skin's surface to improve texture and tone. Salicylic acid is an oil-soluble BHA that penetrates into pores, making it better suited for acne-prone and oily skin types.
Read more →Low-concentration topical glycolic acid is generally considered safe during pregnancy by most dermatologists, but professional-strength peels should be avoided. Always consult your OB-GYN or dermatologist before adding any active ingredient during pregnancy.
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