BHA (Salicylic) vs PHA (Gluconolactone): which Korean skincare ingredient?
BHA (Salicylic) vs PHA (Gluconolactone): BHA (Salicylic) leans toward acne & breakouts, while PHA (Gluconolactone) targets pores & texture. Can you use both? Yes — they layer well together.
| BHA (Salicylic) | PHA (Gluconolactone) | |
|---|---|---|
| What it is | Salicylic acid dives into oily pores to decongest. Ideal for blackheads & breakouts. | Large-molecule acid that exfoliates very gently — great for sensitive skin new to acids. |
| Best for | Acne & breakouts, Pores & texture, Oil control | Pores & texture, Redness & sensitivity, Dullness & glow |
| When to use | PM | PM |
Which should you choose?
Choose BHA (Salicylic) if your priority is Acne & breakouts; choose PHA (Gluconolactone) for Pores & texture. Many Korean routines use both — yes — they layer well together.
BHA (Salicylic) guide →PHA (Gluconolactone) guide →
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What is BHA and what does it do?
BHA, usually salicylic acid, is an oil-soluble exfoliant that can penetrate pores to dissolve oil and dead skin, helping refine the look of texture and blemish-prone skin. In Korean routines it's used a few times weekly, with sunscreen by day, to avoid over-exfoliating.
What is the difference between AHA and BHA?
AHAs like glycolic and lactic acid are water-soluble and work on the skin's surface to brighten and smooth, while BHA like salicylic acid is oil-soluble and gets into pores. In Korean skincare both are used sparingly, a few times weekly, always with daily sun protection.
✍️ Written & reviewed by the KoreaPlus Editorial team — dermatologist-informed, cosmetic-science researched & source-cited. Last reviewed 2026-06-21.
General educational information using cosmetic structure-function wording — not medical advice. Always patch-test new actives. © KoreaPlus.