AHA (Glycolic/Lactic) vs PHA (Gluconolactone): which Korean skincare ingredient?
⏱ 1 min read
⚡ Quick answer: AHA (Glycolic/Lactic) vs PHA (Gluconolactone): AHA (Glycolic/Lactic) leans toward dullness & glow, while PHA (Gluconolactone) targets pores & texture. Can you use both? Yes — they layer well together.
AHA (Glycolic/Lactic) vs PHA (Gluconolactone): AHA (Glycolic/Lactic) leans toward dullness & glow, while PHA (Gluconolactone) targets pores & texture. Can you use both? Yes — they layer well together.
| AHA (Glycolic/Lactic) | PHA (Gluconolactone) | |
|---|---|---|
| What it is | Water-loving acids that resurface the top layer. Lactic is gentler; glycolic is stronger. SPF a must. | Large-molecule acid that exfoliates very gently — great for sensitive skin new to acids. |
| Best for | Dullness & glow, Dark spots & tone, Pores & texture | Pores & texture, Redness & sensitivity, Dullness & glow |
| When to use | PM | PM |
Which should you choose?
Choose AHA (Glycolic/Lactic) if your priority is Dullness & glow; choose PHA (Gluconolactone) for Pores & texture. Many Korean routines use both — yes — they layer well together.
AHA (Glycolic/Lactic) guide →PHA (Gluconolactone) guide →
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✍️ Written & reviewed by the KoreaPlus Editorial team — dermatologist-informed, cosmetic-science researched & source-cited. Last reviewed: 2026-08-23.
General educational information using cosmetic structure-function wording — not medical advice. Always patch-test new actives. © KoreaPlus.