Potassium PCA

Potassium PCA is a cosmetic ingredient used as a humectant agent. It is used in 15 products in our dataset. It is regulated in the EU (listed in a Cosmetics Regulation annex).

INCI namePOTASSIUM PCA
FunctionHUMECTANT
CAS number4810-50-8
EC number225-373-9
Prevalence15 products (0.02% of dataset)
Most used inSkincare
EU statusRestricted (annex )
Monthly searches20

Used in

General Moisturizers 26.7%Face Primers 13.3%Setting Spray & Powders 13.3%Body Washes 6.7%Eye Moisturizers 6.7%Face Cleansers 6.7%

Frequently asked

What does Potassium PCA do in skincare?
Potassium PCA functions as a humectant agent in cosmetic formulas.
Is Potassium PCA allowed in cosmetics?
Yes, but it is regulated in the EU — it appears in a Cosmetics Regulation annex with usage conditions.
What products contain Potassium PCA?
It is most commonly found in Skincare products, especially general moisturizers (26.7% of its uses).

Manufacturers with experience using Potassium PCA

Match with vetted US contract manufacturers that have hands-on experience formulating with this ingredient.