Comparisons · 6 min read
Glycolic Acid vs Mandelic Acid
Mandelic acid is the gentlest AHA — ideal for darker skin tones prone to PIH.
Updated 11 June 2026 · Reviewed by GlycolicAcid.com.au editorial
Mandelic acid (MW 152) penetrates slowly, with lower irritation risk and reduced post-inflammatory pigmentation risk. Glycolic acts faster but can trigger PIH in deeper skin tones if overused.
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