exfoliant

Glycolic Acid (AHA) · 글리콜릭산

INCI: Glycolic Acid

Also known as: AHA · Alpha Hydroxy Acid · 글리콜산

Updated May 2026. Based on public cosmetic-science references (INCI Decoder, CosIng EU, EWG Skin Deep, Paula's Choice) plus Korean product catalog mapping. Editorial summary — not regulatory or medical advice.

What it is

Glycolic acid is the smallest AHA, derived from sugarcane. It exfoliates the surface of the skin, addressing dullness, uneven texture, and superficial pigmentation. In Korean formulas it is typically dosed mildly (low single digits %), often as part of layered toner or pad systems rather than high-concentration peels.

한국어 설명

글리콜릭산은 가장 작은 분자량의 AHA로, 사탕수수에서 유래한다. 피부 표면의 각질을 정돈해 칙칙함·결 불균형·표피 색소를 케어한다. 한국 포뮬러에서는 낮은 함량(한 자릿수 %)으로 토너·패드 시스템에 배합되는 경우가 많다.

Best for

  • dullness
  • uneven texture
  • superficial pigmentation

Pairs well with

  • Hyaluronic Acid
  • Niacinamide
  • Ceramides

Use with caution

  • High-percentage Retinol on the same night
  • Other strong exfoliants stacked
  • Compromised barrier

Products with Glycolic Acid (AHA) (34)

Catalog matches ranked by data completeness and reviews.

External references

We do not republish proprietary ingredient databases. Public references above are good starting points for verification — treat this page's structured description as our editorial summary, not a primary regulatory source.

Educational summary for skincare shoppers. Not medical advice. For pregnancy, treatment-related, or condition-specific decisions, consult a qualified clinician.