OH DAISEY INGREDIENT LIBRARY
Alpha-Isomethyl Ionone
Alpha-Isomethyl Ionone is a fragrance ingredient recognized as a potential contact allergen in sensitive individuals. It is one of the fragrance allergens that must be declared on cosmetic labels above specified concentrations in many jurisdictions.
OH DAISEY VERDICT
Use With Caution
Evidence level: Strong
Why Oh Daisey rates it this way
Alpha-Isomethyl Ionone is a fragrance ingredient recognized as a potential contact allergen in sensitive individuals. It is one of the fragrance allergens that must be declared on cosmetic labels above specified concentrations in many jurisdictions.
What it does
Fragrance
How to read this rating
This rating reflects the Oh Daisey ingredient standard and the evidence currently available for cosmetic use. Product safety can also depend on concentration, exposure route, formulation, manufacturing quality, and individual sensitivity.