Zinc Pca
INCI: ZINC PCA
CAS 15454-75-8 EC 268-475-9 / 239-473-5
Proline, 5-oxo-, zinc salt
Limited Data
Insufficient safety data available. Consider enriching this ingredient.
Details
Description
Proline, 5-oxo-, zinc salt
Purpose
Function
Sebum regulator; antimicrobial; astringent; humectant (PCA moiety); keratinocyte-supporting trace mineral; cofactor for superoxide dismutase and matrix metalloproteinases; acne-control active
Profile
Properties
Silicone
Silicone free
Compliance
Regulatory Status
EU
Permitted
Safety
EXCELLENT
US
Permitted
EU Max Concentration0.5–2%
Absorptionmoderate
Sensitizationlow
MoSadequate
NOAEL83 mg/kg
ConcernNone
Flags
sebum-regulatoracne-controlantimicrobialnmf-componenttrace-mineralkeratinocyte-support
Verdict
Excellent multifunctional active for oily, acne-prone, and combination skin that targets sebum regulation, provides mild antimicrobial action, and contributes to keratinocyte health via zinc bioavailability with no safety concerns at typical use concentrations.
US Note
No FDA restriction; used in OTC acne aids as zinc source; not subject to sunscreen monograph.
Assessment
Ratings
Reference