Polyisobutene

Polyisobutene molecular structure

2-5 year old preschoolersSkin contact product

Check for Different Age (6 available)

Safe for preschoolers to use Polyisobutene?

YES - Generally Safe
Danger Score: 1 (Lower is safer)
Quick Answer: Polyisobutene is generally considered safe for 2-5 year old children when used in topical products. Consider preschooler activity levels.

ℹ️General Overview

For 2-5 year olds (toddlers and preschoolers), polyisobutene is usually safe on the skin in the small amounts found in creams and lotions. It helps products feel smooth and hold moisture and rarely causes serious problems.

What to Do

Use products made for children when possible. Apply a small amount first and do a patch test behind the ear or on the inner arm; wait about 24 hours to see if the child has any reaction. Do not put products containing this ingredient on broken or irritated skin. Avoid spraying near the face to prevent breathing it in. If you need to use a product over a large area or every day, choose formulas labeled for kids or talk with your child’s doctor.

⚠️Warnings

Stop use and rinse if you see redness, rash, stinging, or eye irritation. Some government agencies (Environment Canada and the European Chemicals Agency) have noted possible organ-system effects at high exposures and limited irritation potential — so avoid heavy, repeated application over the whole body and avoid inhaling sprays. The U.S. Food and Drug Administration and Cosmetic Ingredient Review note allowed, limited uses; if a product contains many other active ingredients, check the full label and consult a pediatrician if you have concerns.

Confidence: MEDIUM

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Safety Risk Labels

This ingredient has the following documented risks:

Organ Risk: Canada's chemical review flagged polyisobutene as expected to be toxic or harmful to non-reproductive body systems and gave it a medium human-health priority. A European chemical agency also lists it as potentially toxic or harmful. This means there is real concern that repeated or high exposures could harm organs (for example liver, kidneys, or lungs).
Environmental: A European chemical regulator reported concerns about wildlife and environmental toxicity for this ingredient. That indicates it may pose a risk to animals or ecosystems if released into the environment.

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Alternative Names for Polyisobutene

This ingredient may also be listed as:

polyisobutene1-PROPENE,-2-METHYL-, HOMOPOLYMERPERMETHYL 108AISOBUTYLENE HOMOPOLYMERISOBUTENE HOMOPOLYMERHOMOPOLYMER 1-PROPENE,-2-METHYL-HOMOPOLYMER 2-METHYL-1-PROPENE1-PROPENE, 2-METHYL-, HOMOPOLYMER; 1-PROPENE, 2-METHYL-, HOMOPOLYMER(C4H8)X, X = 17; 1-PROPENE, 2-METHYL-, HOMOPOLYMER(C4H8)X, X = 17POLY ISOBUTYLENE2-METHYL-1-PROPENE, HOMOPOLYMERPOLYISOBUTYLENE

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

Common Questions About Polyisobutene

Safe for preschoolers to use Polyisobutene?

Yes, Polyisobutene is generally considered safe for 2-5 year old children based on current research.

What are the organ risk risks of Polyisobutene for preschoolers?

May harm organs like liver, kidneys, or lungs with repeated use. Young children may be more sensitive to these effects.

What are the environmental risks of Polyisobutene for preschoolers?

Possible negative effects on the environment Young children may be more sensitive to these effects.

What products contain Polyisobutene?

Polyisobutene is commonly found in skincare products, cosmetics, and topical applications. Always check ingredient labels before use.

Is this suitable for preschoolers to using products with Polyisobutene?

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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