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Brightening

Glycolic Acid

beauty-research-century
Exfoliation / PoresBrightening
INCI: Glycolic Acid
In short · TL;DR
Category
Brightening
Effect
The lowest-molecular-weight AHA. Cares for old dead skin cells and improves the impression of skin smoothness and dullness
Concentration
In cosmetics, generally around a few percent depending on pH and formulation (activity varies with free-acid content and pH)
Effect
The lowest-molecular-weight AHA. Cares for old dead skin cells and improves the impression of skin smoothness and dullness
Mechanism
Loosens the bonds between corneocytes to promote the shedding of old dead skin cells. Acts at low pH
Typical concentration
In cosmetics, generally around a few percent depending on pH and formulation (activity varies with free-acid content and pH)
Onset
Smoothness of the skin is more readily felt after several weeks of continued use
Cautions
Beware of irritation, stinging, and photosensitivity. Concurrent use of sunscreen is advisable during use. Drug-like efficacy claims are not permitted
Evidence & references
https://pubchem.ncbi.nlm.nih.gov/compound/757
Journal

Related Journal

2
Skin Longevity SeriesRe-examining the "28-Day Turnover" Myth Through ScienceSkin Longevity SeriesA Century of Beauty Research
This page is reference information and does not guarantee efficacy. Figures vary by test conditions (in vitro / manufacturer / concentration). It does not indicate pharmaceutical efficacy.
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