Piel

Propylene Glycol

INCI name: Propylene Glycol

Propylene Glycol is classed in the EU CosIng database as humectant, fragrance, solvent, viscosity controlling, skin conditioning (humectant) and skin conditioning (other). Piel groups it with humectants.

What it does

How Piel groups it

Piel's knowledge base files Propylene Glycol under:

Found in 5,226 products in Piel's catalogue.

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Identifiers

INCI name
Propylene Glycol
CAS number
57-55-6
EC number
200-338-0
CosIng reference
37269

Data from Piel's records, September 19, 2026