Arginine PCA

Arginine PCA is a cosmetic ingredient used as a humectant, skin conditioning agent. It is used in 42 products in our dataset. It is regulated in the EU (listed in a Cosmetics Regulation annex).

INCI nameARGININE PCA
FunctionHUMECTANT, SKIN CONDITIONING
CAS number56265-06-6 / 64855-91-0
EC number260-081-5 / 265-253-3
Prevalence42 products (0.05% of dataset)
Most used inSkincare
EU statusRestricted (annex )
Monthly searches20

Used in

Serums 28.6%Eye Moisturizers 9.5%Night Moisturizers 9.5%Toners 9.5%Wash Off Masks 9.5%Facial Treatments 7.1%

Frequently asked

What does Arginine PCA do in skincare?
Arginine PCA functions as a humectant, skin conditioning agent in cosmetic formulas.
Is Arginine 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 Arginine PCA?
It is most commonly found in Skincare products, especially serums (28.6% of its uses).

Manufacturers with experience using Arginine PCA

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