Alpha-Isomethyl Ionone
Korean INCI: 알파-아이소메틸이오논 · Also written as: 아이소메틸이오논, 아이소메틸아이오논, 알파-이소메틸아이오논, 알파-아이소메틸아이오논
Irritant / cautionMay irritate
What it is
Fragrance/allergen — may irritate / potential allergen
How it affects the score
Flagged separately in results for potential irritation or allergy.
How to read it on the label
If you have a sensitive scalp, avoid products where this sits high on the list.
Ingredients are listed by descending concentration. Anything after the ~1% anchors (EDTA, hexanediol, preservatives) is effectively trace.
Check your own shampoo
Paste your full ingredient list to see this ingredient's position and the overall score.
Related ingredients
Coriandrum Sativum (Coriander) Fruit · Supportive
Linalool · Irritant / caution
Linalyl Acetate · Irritant / caution
Limonene · Irritant / caution
Methyl 2-Octynoate · Irritant / caution
Styrax Benzoin Resin Extract · Irritant / caution
※ For reference only, based on public ingredient data — not medical advice.