Cosmetic ingredient (INCI)
PCA
Used in cosmetic products as humectant and moisturising. L-2-Pyrrolidone-5-carboxylic acid.
The chemical behind this ingredient
Structure, properties, safety data and price information live on the chemical page.
L-Pyroglutamic acid
CAS 98-79-3C5H7NO3
117 suppliers
L-Pyroglutamic acid
IUPAC name: (2S)-5-oxopyrrolidine-2-carboxylic acid
- 2D structure and identifiers
- Measured and computed properties
- GHS safety summary
- Suppliers, prices and trade data
PCA suppliers
Companies with live listings for the linked chemical. Paid members appear first.
Frequently asked questions
What is PCA used for in cosmetics?
PCA is used in cosmetic products as humectant and moisturising. L-2-Pyrrolidone-5-carboxylic acid.
Is PCA restricted in cosmetics in the EU?
No EU restriction annex is recorded for PCA in our records. Rules change and differ by market, so always check the current regulation before you formulate.
What is the CAS number of PCA?
PCA is listed with CAS number 98-79-3 and EC number 202-700-3.
Where can I buy PCA?
8 suppliers list L-Pyroglutamic acid on CompoundList. Compare them below or post a buy request with your grade and quantity.