OriginProduced from glycolic acid and ammonia through acid-base neutralization reactions. The resulting ammonium salt is synthesized to create a buffered compound suitable for skincare formulations.
Acetic acid, hydroxy-, monoammonium salt
Formula
C2H7NO3
Mol. Weight
93.08
CAS #
35249-89-9
Form
Liquid
State
Liquid
Skin Types
●all-skin-types
Best For
Uneven Texture
Pregnancy & Breastfeeding Safe
Caution
Functions
Buffering
Keratolytic
A pharmaceutical-grade active. These are the heavy hitters — often prescription-strength or regulated for potency.
Supports cell turnover
Unclogs pores
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
5
CIR
Safe as used
Pregnancy
Caution
CIR Safety Findings
Not a Sensitizer (CIR Panel on the ingredient group)
CIR Panel statement covering this group of ingredients / not tested individually (CIR 34)
Skin Irritant in Testing (CIR Panel on the ingredient group)
CIR Panel statement covering this group of ingredients / not tested individually (CIR 34)
Concentration Guide
CIR's newest survey reports no concentration of use.
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