Behentrimonium Methosulfate

5+ year old childrenSkin contact product

Check for Different Age (6 available)

Is this kid-friendly to use Behentrimonium Methosulfate?

YES - Generally Safe
Danger Score: 2 (Lower is safer)
Quick Answer: Behentrimonium Methosulfate is generally considered safe for 5+ year old children when used in topical products. Kids may have different tolerance levels.

ℹ️General Overview

For kids aged 5 and older this ingredient is generally low risk. It’s a conditioning agent found in conditioners, creams and some wipes and is usually well tolerated by school-age children and teens.

What to Do

Use products with this ingredient as directed. Prefer rinse-off products (conditioners) over leave-on if you’re worried. Do a quick patch test on a small area of skin the first time you use a new product. Stop use and rinse with water if you see redness, rash, swelling, or if the child complains of stinging. If breathing problems or severe swelling occur, seek medical help right away.

⚠️Warnings

Safety reviews by the Cosmetic Ingredient Review find it acceptable with some limits; that is the main safety reference. Some studies on related quaternary ammonium compounds (for example animal studies titled “Quaternary Ammonium Disinfectants Cause Subfertility in Mice…” and “Exposure to common quaternary ammonium disinfectants decreases fertility in mice”) reported reproductive effects at higher exposures, and a lab study on related disinfectants showed effects on nerve cells (see “Benzalkonium Chloride Disinfectants Induce Apoptosis…”). There are also limited reports of respiratory or allergy reactions with related compounds. Because these findings came from higher doses, normal use in a conditioner or cream is lower risk, but avoid using products with this ingredient on broken skin, avoid sprays or aerosols to reduce breathing exposure, and watch your child for any signs of skin or breathing problems.

Confidence: HIGH

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Safety Risk Labels

This ingredient has the following documented risks:

Immune system: Some studies of quaternary ammonium compounds report effects on immune responses and signs of allergic or respiratory reactions. A 2021 human study found altered toxicological endpoints after exposure to common quaternary ammonium disinfectants, which supports concern about immune effects.
Asthma: There is limited evidence that quaternary ammonium compounds can cause respiratory irritation or trigger allergic-type breathing problems. Human data showing altered toxicological endpoints after exposure raise concern that breathing issues or asthma could get worse in sensitive children.
Organ Risk: A human study reported changes in toxicological measures after exposure to common quaternary ammonium disinfectants, indicating possible harm to non-reproductive organs (for example, lungs or other systems) with repeated exposure.
Fertility: Animal studies in mice have shown decreased fertility or subfertility after exposure to quaternary ammonium disinfectants at moderate doses (see studies: "Exposure to common quaternary ammonium disinfectants decreases fertility in mice" and "Quaternary Ammonium Disinfectants Cause Subfertility in Mice by Targeting both Male and Female Reproductive Processes"). This shows real reproductive risk in animals that may be relevant with significant exposure.

Tap or hover over labels to see detailed risk information.

Alternative Names for Behentrimonium Methosulfate

This ingredient may also be listed as:

behentrimonium methosulfateBEHENTRIMONIUM METHOSULFATEEC 279-791-1SCHEMBL126381CTK3E8211DTXSID00231231DOCOSYL(TRIMETHYL)AZANIUM,METHYL SULFATEDOCOSYL(TRIMETHYL)AZANIUM;METHYL SULFATESC-25218DOCOSYL-TRIMETHYL-AZANIUM; SULFONATOOXYMETHANEQ27262812EINECS 279-791-1

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

Products Containing Behentrimonium Methosulfate

This ingredient is found in the following products:

This list shows products that contain Behentrimonium Methosulfate or its alternative names.

Common Questions About Behentrimonium Methosulfate

Is this kid-friendly to use Behentrimonium Methosulfate?

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

What are the immune system risks of Behentrimonium Methosulfate for children?

Could weaken or confuse immune system.

What are the asthma risks of Behentrimonium Methosulfate for children?

Can make breathing issues like asthma worse in babies and kids.

What are the organ risk risks of Behentrimonium Methosulfate for children?

May harm organs like liver, kidneys, or lungs with repeated use.

What are the fertility risks of Behentrimonium Methosulfate for children?

Some studies link this to future fertility or reproductive issues.

What products contain Behentrimonium Methosulfate?

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

When can kids start using products with Behentrimonium Methosulfate?

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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