Alpha-Isomethyl Ionone

Alpha-Isomethyl Ionone is a cosmetic ingredient used as a skin conditioning, perfuming agent. It appears in about 1% of cosmetic products in our 90,000+ product dataset. It is regulated in the EU (listed in a Cosmetics Regulation annex). PubMed carries 12 studies of its skin or topical use.

INCI nameALPHA-ISOMETHYL IONONE
FunctionSKIN CONDITIONING, PERFUMING
CAS number127-51-5
EC number204-846-3
Prevalence1,180 products (1.27% of dataset)
Most used inFragrance
EU statusRestricted (annex )
Scientific studies12 on PubMed (skin/cosmetic/topical)
Monthly searches880

Used in

Fragrances 41.4%Deodorant 6.1%Body Washes 4.1%Hair Oils 3.8%Styling Creams & Sprays 2.9%Hair Sprays 2.7%

Frequently asked

What does Alpha-Isomethyl Ionone do in skincare?
Alpha-Isomethyl Ionone functions as a skin conditioning, perfuming agent in cosmetic formulas.
Is Alpha-Isomethyl Ionone allowed in cosmetics?
Yes, but it is regulated in the EU — it appears in a Cosmetics Regulation annex with usage conditions.
What products contain Alpha-Isomethyl Ionone?
It is most commonly found in Fragrance products, especially fragrances (41.4% of its uses).

Manufacturers with experience using Alpha-Isomethyl Ionone

Match with vetted US contract manufacturers that have hands-on experience formulating with this ingredient.