Humectant

Potassium Pca

INCI: POTASSIUM PCA
CAS 4810-50-8 EC 225-373-9
Potassium 5-oxo-L-prolinate
Generally Safe
This ingredient has a good safety profile based on available data.
Purpose

Function

Skin conditioning agent — humectant (Natural Moisturizing Factor component)
Profile

Properties

Silicone
Silicone free
Malassezia
Safe
Fungal Acne
Safe
Details

Description

Potassium 5-oxo-L-prolinate

Reference

Identifiers

CAS Number
4810-50-8
EC Number
225-373-9
INCI
POTASSIUM PCA
Category
Humectant
Updated
Apr 2, 2026