Alpha-Isomethyl Ionone is a colorless or pale straw-colored liquid used in cosmetics and personal care products.
- Used as a perfume. Adds fragrance to a variety of products including aftershave lotion, bubble baths, hair care products and moisturizers.
- Perfuming skin conditioning
- It’s been known to irritate the skin and trigger allergic reactions for some people. After evaluating the potential side effects of Alpha-isomethyl Ionone, the International Fragrance Association (IFRA)banned the ingredient from being mixed into fragrance products (i.e. perfume, cologne). But you can still find this ingredient in a variety of other cosmetics that are not categorized as a “fragrance.”
- None are well documented.
3-Methyl-4-(2,6,6-trimethyl-2-cyclohexen-1-yl)-3-buten-2-one, or cetone
Source: TruthinAging, https://www.truthinaging.com/ingredients/alpha-isomethyl-ionone