PHA (Gluconolactone) vs Lactic Acid: which Korean skincare ingredient?
⏱ 1 min read
⚡ Quick answer: PHA (Gluconolactone) vs Lactic Acid: PHA (Gluconolactone) leans toward pores & texture, while Lactic Acid targets rough & uneven texture. Can you use both? Yes — they layer well together.
PHA (Gluconolactone) vs Lactic Acid: PHA (Gluconolactone) leans toward pores & texture, while Lactic Acid targets rough & uneven texture. Can you use both? Yes — they layer well together.
| PHA (Gluconolactone) | Lactic Acid | |
|---|---|---|
| What it is | Large-molecule acid that exfoliates very gently — great for sensitive skin new to acids. | The AHA for people whose skin gets tight after exfoliating. Lactic acid holds water as well as loosening dead surface cells, so it tends to leave skin less parched than its sharper relatives. |
| Best for | Pores & texture, Redness & sensitivity, Dullness & glow | Rough & uneven texture, Dryness & dehydration, Dullness & glow |
| When to use | PM | PM |
Which should you choose?
Choose PHA (Gluconolactone) if your priority is Pores & texture; choose Lactic Acid for Rough & uneven texture. Many Korean routines use both — yes — they layer well together.
PHA (Gluconolactone) guide →Lactic Acid 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.