For toddlers and young children (2–5 years), this fragrance ingredient is generally low risk when used in small amounts on the skin. Some studies showed weak hormone-related effects and limited developmental signals, but food and environmental authorities treat it as acceptable for limited uses.
If you use a product that lists this ingredient on a 2–5 year old child: use it sparingly and follow the product instructions; choose products made for children when possible; avoid applying near the eyes, mouth, or on broken or irritated skin; do a small patch test on the child’s arm and wait 24 hours to check for redness or rash; keep products out of reach to prevent accidental swallowing.
Watch for skin redness, rash, or any change in behavior after use and stop use if these happen. The caution comes from toxicity reviews that noted weak endocrine (hormone) activity and limited evidence of developmental effects in some studies (source: National Toxicology Program). Authorities that evaluate food and environmental safety consider it acceptable for limited uses (sources: FDA and Environment Canada), but because young children are more sensitive, avoid concentrated or repeated exposure.
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This ingredient has the following documented risks:
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This ingredient may also be listed as:
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This ingredient is found in the following products:
This list shows products that contain Gamma Undecalactone or its alternative names.
Scientific research related to this ingredient:
These research articles provide scientific evidence about Gamma Undecalactone safety and effects.
Yes, Gamma Undecalactone is generally considered safe for 2-5 year old children based on current research.
May mess with natural hormone development in babies and children. Young children may be more sensitive to these effects.
Acts like fake hormones in the body, confusing natural signals. Young children may be more sensitive to these effects.
Possible effects on early brain growth and mental development. Young children may be more sensitive to these effects.
Some studies link this to future fertility or reproductive issues. Young children may be more sensitive to these effects.
Possible negative effects on the environment Young children may be more sensitive to these effects.
Gamma Undecalactone is commonly found in skincare products, cosmetics, and topical applications. Always check ingredient labels before use.
The appropriate age depends on the specific ingredient properties and concentration. This analysis is for 2-5 year old children. Use the age selector above to check other ages.
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