Alpha-Isomethyl Ionone

Alpha-Isomethyl Ionone molecular structurePubChem

5+ year old children • Skin contact product

Check for Different Age (6 available)

Is this kid-friendly to use Alpha Isomethyl Ionone?

✅
YES - Generally Safe
Danger Score: 3 (Lower is safer)
Quick Answer: Alpha Isomethyl Ionone is generally considered safe for 5+ year old children when used in topical products. Kids may have different tolerance levels.

ℹ️General Overview

Alpha-Isomethyl Ionone is a fragrance ingredient that can cause skin allergic reactions in some children. For school-age kids (5 years and older) the chance of a problem is lower than for babies, but children who have sensitive skin or eczema can still react.

✅What to Do

If you want to use a product that lists this ingredient on a child 5 or older: do a patch test on a small area first; wait 24–48 hours for any redness or itch. Avoid using on broken, inflamed, or eczema-affected skin. Prefer fragrance-free products for children with known sensitivities. If a product is labeled under a safety verification program, check whether that program restricts this ingredient.

⚠️Warnings

Watch for signs of an allergic reaction: redness, itching, bumps, swelling, or blistering. Stop use immediately and rinse the area if you see these signs. Regulatory and industry sources (for example the EU cosmetics rules and fragrance industry guidance) list this ingredient as a possible or known skin allergen and require labeling or limits — that is the basis for the caution.

Confidence: MEDIUM

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Safety Risk Labels

This ingredient has the following documented risks:

Irritant: This chemical is listed as a known human allergen and as causing dermal reactions by multiple regulatory bodies (the EU cosmetics listing and fragrance industry guidance, with strong evidence noted by the U.S. EPA). That means it can cause skin redness, itching, or rash after contact.
Immune system: Several authorities identify this ingredient as an allergen or possible immune-system toxicant (noted by the EU cosmetics rules, the EPA, and related fragrance regulators), so it can trigger immune responses rather than being inert on the skin.
Eczema: Because this ingredient is flagged for causing skin allergy and limited dermal toxicity by agencies such as ECHA and the EU cosmetics framework, it can worsen or trigger eczema and similar skin conditions in sensitive children.
Environmental: An environmental agency has identified this substance as a suspected environmental toxin, meaning it may harm wildlife or the environment if released, so there is some ecological concern with its use.

Tap or hover over labels to see detailed risk information.

Alternative Names for Alpha-Isomethyl Ionone

This ingredient may also be listed as:

alpha-isomethyl iononeALPHA-IONONE, ISOMETHYL-(E)-3-METHYL-4-(2,6,6-TRIMETHYLCYCLOHEX-2-EN-1-YL)BUT-3-EN-2-ONE(3E)-3-METHYL-4-(2,6,6-TRIMETHYLCYCLOHEX-2-EN-1-YL)BUT-3-EN-2-ONE4-(2,6,6-TRIMETHYL-2-CYCLOHEXEN-1-YL)-3-METHYL-3-BUTEN-2-ONEMETHYL-ALPHA-ISOIONONE15789-90-9.ALPHA.-CETONE3-BUTEN-2-ONE, 3-METHYL-4-(2,6,6-TRIMETHYL-2-CYCLOHEXEN-1-YL)-4-(2,6,6-TRIMETHYL 2-CYCLOHEXEN-1-YL)-3-METHYL-3-BUTEN-2-ONE(3E)-3-METHYL-4-(2,6,6-TRIMETHYL-2-CYCLOHEXEN-1-YL)-3-BUTEN-2-ONE

Always check ingredient labels carefully, as ingredients may be listed under different names.

Products Containing Alpha-Isomethyl Ionone

This ingredient is found in the following products:

This list shows products that contain Alpha-Isomethyl Ionone or its alternative names.

Research Articles on Alpha-Isomethyl Ionone

Scientific research related to this ingredient:

Quantitative risk assessment of allergens leaching from menstrual hygiene products.

PMID: 36067853PubMed ↗

These research articles provide scientific evidence about Alpha-Isomethyl Ionone safety and effects.

Common Questions About Alpha-Isomethyl Ionone

Is this kid-friendly to use Alpha-Isomethyl Ionone?

Yes, Alpha-Isomethyl Ionone is generally considered safe for 5+ year old children based on current research.

What are the irritant risks of Alpha-Isomethyl Ionone for children?

Can cause skin redness, itchiness, or rashes—especially on sensitive baby skin.

What are the immune system risks of Alpha-Isomethyl Ionone for children?

Could weaken or confuse immune system.

What are the eczema risks of Alpha-Isomethyl Ionone for children?

Linked to triggering or worsening eczema and similar skin conditions.

What are the environmental risks of Alpha-Isomethyl Ionone for children?

Possible negative effects on the environment

What products contain Alpha-Isomethyl Ionone?

Alpha-Isomethyl Ionone is commonly found in skincare products, cosmetics, and topical applications. Always check ingredient labels before use.

When can kids start using products with Alpha-Isomethyl Ionone?

The appropriate age depends on the specific ingredient properties and concentration. This analysis is for 5+ year old children. Use the age selector above to check other ages.

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