Piel

Alpha-Isomethyl Ionone

INCI name: Alpha-Isomethyl Ionone

Alpha-Isomethyl Ionone is classed in the EU CosIng database as skin conditioning and perfuming. Piel groups it with EU-listed allergens and fragrance.

What it does

How Piel groups it

Piel's knowledge base files Alpha-Isomethyl Ionone under:

Found in 1,138 products in Piel's catalogue.

EU regulation

Alpha-Isomethyl Ionone is listed in the EU Cosmetics Regulation, annex entry III/90. The entry sets conditions of use; read it on CosIng.

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Identifiers

INCI name
Alpha-Isomethyl Ionone
CAS number
127-51-5
EC number
204-846-3
CosIng reference
39665

Data from Piel's records, September 19, 2026