For toddlers (1–2 years), Polyquaternium-37 is generally low risk when used in normal skin or hair products. It’s a conditioning ingredient that usually does not cause problems for young children.
Prefer products that rinse off (like shampoos and body washes) rather than leave-on creams when possible. Before full use, test a small patch of skin on your child’s arm and wait 24 hours. Rinse thoroughly if it gets in the eyes. Keep products out of reach of children.
Some safety reviews say the ingredient is safe but with limits on how much and whether it’s left on the skin (Cosmetic Ingredient Review). A government review raised concerns about environmental toxicity and possible organ-system effects at high exposures (Environment Canada) — this is more about environmental impact and high-dose exposures, not normal use. Avoid using on broken or red skin, and stop use and talk to your doctor if you see persistent redness, rash, or swelling.
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This list shows products that contain Polyquaternium-37 or its alternative names.
Yes, Polyquaternium-37 is generally considered safe for 1-2 year old toddlers based on current research.
May harm organs like liver, kidneys, or lungs with repeated use. Young children may be more sensitive to these effects.
Possible negative effects on the environment Young children may be more sensitive to these effects.
Polyquaternium-37 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 1-2 year old toddlers. Use the age selector above to check other ages.
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