PLDEFRESITJęzyk: polski
INCI name

PCA

PCA (pyroglutamic acid)

HumectantMoisturisingreviewed

A humectant that is part of the skin's natural moisturising factor.

What it is

PCA (L-pyrrolidone carboxylic acid, pyroglutamic acid) is an amino acid derivative that occurs naturally in the skin's natural moisturising factor (NMF). CosIng lists it as a humectant and moisturising agent.

Where it is used

Found in creams, serums, toners and hair care products.

Limits of interpretation

The INCI list shows which ingredients are present, not how much of each. Above 1%, ingredients are listed in descending order of weight; below 1% the order is free.

Its salt sodium PCA is used more often and is listed under its own INCI name.

Functions

Humectant
Retaining and/or preserving the moisture in a product during use.
Moisturising
Increasing the water content of the skin and keeping it soft and smooth.

EU regulation

This ingredient is not listed in the annexes of Regulation (EC) No 1223/2009 in the CosIng data.

Products with this ingredient (199)

Check a full ingredient list