Polymethylsilsesquioxane

Polymethylsilsesquioxane molecular structure

5+ year old childrenSkin contact product

Check for Different Age (6 available)

Is this kid-friendly to use Polymethylsilsesquioxane?

YES - Generally Safe
Danger Score: 1 (Lower is safer)
Quick Answer: Polymethylsilsesquioxane is generally considered safe for 5+ year old children when used in topical products. Kids may have different tolerance levels.

ℹ️General Overview

For children aged 5 and older (school-age kids), this ingredient is low risk when used in normal amounts on the skin. Most safety checks show low concern for cancer, allergies, and effects on growth or reproduction. The main issue found was skin irritation in some animal tests at high doses.

What to Do

Use products that list this ingredient as directed. Before full use on a child’s skin, try a small patch test on the inside of the forearm and wait 24 hours to check for redness or irritation. Avoid using products with it on broken or very irritated skin. If your child has sensitive skin, start with a small amount or choose a product without it.

⚠️Warnings

Watch for redness, itching, stinging, swelling, or eye irritation after use — these are signs of irritation (source: Cosmetic Ingredient Review animal data). Also note that some product verification programs restrict this ingredient unless manufacturers provide extra safety data, so if you prefer verified formulations you may find alternatives. If breathing problems, hives, or severe reaction occur, stop use and seek medical care.

Confidence: HIGH

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Safety Risk Labels

This ingredient has the following documented risks:

No Known Risk: Available safety reviews show no health concerns above a low level. Animal tests noted skin irritation only at high doses in lab studies, and checks for cancer, development, and immune harm were rated low. Some product-verification programs ask for extra proof before allowing this ingredient, but overall no real child health risks were identified.

Tap or hover over labels to see detailed risk information.

Alternative Names for Polymethylsilsesquioxane

This ingredient may also be listed as:

polymethylsilsesquioxanePOLYMETHYLSILSESQUIOXANE

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

Products Containing Polymethylsilsesquioxane

This ingredient is found in the following products:

This list shows products that contain Polymethylsilsesquioxane or its alternative names.

Common Questions About Polymethylsilsesquioxane

Is this kid-friendly to use Polymethylsilsesquioxane?

Yes, Polymethylsilsesquioxane is generally considered safe for 5+ year old children based on current research.

What are the no known risk risks of Polymethylsilsesquioxane for children?

No immediate health concerns found based on current research.

What products contain Polymethylsilsesquioxane?

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

When can kids start using products with Polymethylsilsesquioxane?

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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