Polyquaternium-37

adultsSkin contact product

Check for Different Age (6 available)

Is this safe for adults to use Polyquaternium 37?

YES - Generally Safe
Danger Score: 1 (Lower is safer)
Quick Answer: Polyquaternium 37 is generally considered safe for adults when used in topical products. Adults generally have higher tolerance.

ℹ️General Overview

For adults: Polyquaternium-37 is generally safe to use on skin and hair in normal products like shampoos and conditioners. Overall health concerns are low.

What to Do

Use products as directed. Rinse well if the product is a rinse-off (like shampoo). If you use a leave-on product and notice any itching, burning, or redness, stop using it. If you have very sensitive skin, try a small patch first or choose a product without this ingredient.

⚠️Warnings

Some safety reviews recommend limits on how much can be used and whether it’s allowed in leave-on versus rinse-off products (Cosmetic Ingredient Review). A government report (Environment Canada) noted possible environmental harm and some signals of organ system effects in testing. These are why manufacturers may limit concentrations — they are not a strong signal of risk for normal adult use on intact skin, but you should avoid applying to broken skin and avoid letting concentrated product enter the environment (don’t pour large quantities down drains).

Confidence: HIGH

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Safety Risk Labels

This ingredient has the following documented risks:

Organ Risk: Environment Canada reviewed this ingredient and classifies it as “expected to be toxic or harmful” to non-reproductive organs. That means repeated or high exposures could hurt organs (for example liver or kidneys). This label is based on that government assessment.
Environmental: Environment Canada lists this chemical as a suspected environmental toxin. Because the ingredient is used on skin and can rinse off into water, it may harm aquatic life or ecosystems according to that agency's evaluation.

Tap or hover over labels to see detailed risk information.

Alternative Names for Polyquaternium-37

This ingredient may also be listed as:

polyquaternium-372-(METHACRYLOYLOXY)ETHYLTRIMETHYLAMMONIUM CHLORIDEQ27286691METHACRYLOYLOXYETHYLTRIMETHYLAMMONIUM CHLORIDE2-METHACRYLOXYETHYLTRIMETHYLAMMONIUM CHLORIDE,70% SOLN. IN WATERETHANAMINIUM, N,N,N-TRIMETHYL-2-((2-METHYL-1-OXO-2-PROPEN-1-YL)OXY)-, CHLORIDE (1:1), HOMOPOLYMERTRIMETHYL-2-METHACROYLOXYETHYLAMMONIUM CHLORIDE2-(METHACRYLOXY)ETHYLTRIMETHYLAMMONIUM CHLORIDEN,N-DIMETHYLAMINOETHYL METHACRYLATE Q SALT, METHYL CHLORIDEW-105965[2-(METHACRYLOYLOXY)ETHYL]TRIMETHYLAMMONIUMCHLORIDE

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

Products Containing Polyquaternium-37

This ingredient is found in the following products:

This list shows products that contain Polyquaternium-37 or its alternative names.

Common Questions About Polyquaternium-37

Is this safe for adults to use Polyquaternium-37?

Yes, Polyquaternium-37 is generally considered safe for adults based on current research.

What are the organ risk risks of Polyquaternium-37 for adults?

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

What are the environmental risks of Polyquaternium-37 for adults?

Possible negative effects on the environment

What products contain Polyquaternium-37?

Polyquaternium-37 is commonly found in skincare products, cosmetics, and topical applications. Always check ingredient labels before use.

When can adults using products with Polyquaternium-37?

The appropriate age depends on the specific ingredient properties and concentration. This analysis is for adults. Use the age selector above to check other ages.

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