KBeauty Verified™ — K-beauty checked against official records from Korea, the EU and the U.S.
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Alpha-Isomethyl Ionone
Korean: 알파-아이소메틸아이오논 · CAS 127-51-5 · Functions: perfuming, skin conditioning
KR South Korea (MFDS)
No specific rule on file.
EU European Union (CosIng)
RestrictedAnnex III/90
Conditions: The presence of the substance must be indicated in the list of ingredients referred to in Article 19(1)g when its concentration exceeds:
- 0.001% in leave-on products
- 0.01% in rinse-off products
Information only, not medical advice. Rules change — always check the linked official source. If you are pregnant, have a skin condition or allergies, ask a dermatologist or pharmacist.
Frequently asked questions
Is Alpha-Isomethyl Ionone banned in the European Union?
In the EU's CosIng records it is listed as “Restricted” (EU CosIng — Annex III). A restricted ingredient is allowed within the stated conditions.
Is Alpha-Isomethyl Ionone banned in South Korea?
We found no specific rule for it in Korea's MFDS records. That is not an approval or a safety statement.
Is Alpha-Isomethyl Ionone allowed in cosmetics in the U.S.?
We found no specific rule for it in the FDA's records. That is not an approval or a safety statement.
What is Alpha-Isomethyl Ionone used for in cosmetics?
The EU's CosIng inventory lists its functions as: perfuming, skin conditioning.
What is Alpha-Isomethyl Ionone called on Korean labels?
Korea's MFDS standard Korean name is 알파-아이소메틸아이오논.
Which K-beauty products contain Alpha-Isomethyl Ionone?
24+ products we checked list it, for example Holika Holika Aloe Hydro Formula 96% Soothing Gel 8.45 fl. oz., Amos Professional AMOS True Repair Essence 100ml, Amos Professional AMOS True Repair Night Cream 180 ml.
KBeauty Verified™ — K-beauty checked against official records from Korea, the EU and the U.S.
Reading time:
Views: 0 ChatGPT: 2 Claude: 1 Google · Gemini: 0 Perplexity: 0 Meta AI: 0 Amazon: 0 Others: 1
Read by AI & crawlers
ChatGPT2
Claude1
Google · Gemini0
Perplexity0
Meta AI0
Amazon0
Others1
Named by what the crawler says it is; look-alikes we detect are counted under Others. Google · Gemini includes Googlebot, Google’s search crawler, whose index Google also uses for its AI features; other search engines and bots are in Others. AI visibility →