Piel

Retinoic Acid

INCI name: Retinoic Acid

Retinoic Acid, an INCI ingredient in the EU CosIng database. Piel groups it with retinoids that benzoyl peroxide breaks down and retinoids.

How Piel groups it

Piel's knowledge base files Retinoic Acid under:

EU regulation

Retinoic Acid is listed in the EU Cosmetics Regulation, annex entry II/375. The entry sets conditions of use; read it on CosIng.

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Identifiers

INCI name
Retinoic Acid
CAS number
302-79-4
EC number
206-129-0
CosIng reference
85067

Data from Piel's records, September 19, 2026