8-Hydroxyquinoline

5+ year old childrenSkin contact product

Check for Different Age (6 available)

Is this kid-friendly to use 8 Hydroxyquinoline?

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NOT RECOMMENDED
Danger Score: 6 (Lower is safer)
Quick Answer: 8 Hydroxyquinoline not recommended for 5+ year old children when used in topical products. Kids may have different tolerance levels.

ℹ️General Overview

For kids 5 years and older (school-age children, tweens and teens), this ingredient has moderate concern. It’s not one of the safest ingredients, but occasional short-term use in low-strength rinse-off products is less risky than regular leave-on use.

What to Do

Check product labels and avoid products that list this ingredient for regular, leave-on use (like creams or lotions). Prefer rinse-off items (like some washes) with low concentrations. Don’t use on broken, red, or sore skin. Do a small patch test the first time: stop use and wash the area if your child gets redness, itching, or a rash. Keep products out of reach of children and ask your pediatrician if you’re unsure or if a large amount was accidentally applied or swallowed.

⚠️Warnings

Health Canada restricts its cosmetic use — that means some governments limit how and where it can be used. A cosmetic safety review notes there is not enough safety information for products that remain on the skin (leave-on products). A European agency has identified possible reproductive or developmental concerns, and there are limited reports of skin irritation or allergy. The U.S. food regulator forbids this chemical in food. Because of these restrictions and gaps, avoid leave-on use and watch closely for skin reactions (sources: Health Canada; Cosmetic Ingredient Review; European Chemicals Agency; Environment Canada; U.S. FDA).

Confidence: HIGH

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Safety Risk Labels

This ingredient has the following documented risks:

Fertility: A European chemicals agency flagged this ingredient as a possible human reproductive or developmental toxin, so it may affect future fertility or reproductive health (European Chemicals Agency).
Hormones: An expert review found safety gaps for products left on skin and a regulator noted possible reproductive or developmental harm, which suggests it could interfere with the hormones that guide growth and development (Cosmetic Ingredient Review; European Chemicals Agency).
Banned: Several governments and safety panels limit or forbid its use in certain products — it is restricted in Canadian cosmetics, has product-use limits recommended by an industry safety panel, appears in EU cosmetics restriction listings, and is prohibited for use in food (Health Canada; Cosmetic Ingredient Review; EU Cosmetics Directive; U.S. FDA).

Tap or hover over labels to see detailed risk information.

Alternative Names for 8-Hydroxyquinoline

This ingredient may also be listed as:

8-hydroxyquinolineHYDROXY-8-QUINOLINIUM SULFATE8-QUINOLINOL, SULFATE (2:1)(SALT)SULFATE (2:1)(SALT) 8-QUINOLINOL8-QUINOLINOL SULFATE8-QUINOLINOL, HYDROGEN SULFATE (2:1)8-HYDROXY-CHINOLIN-SULFATOXYQUINOLINE SULFATE [USAN:NF]BIS(8-HYDROXYQUINOLINIUM) SULFATEMCULE-3699419571ST50826710oxyquinoline

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

Products Containing 8-Hydroxyquinoline

This ingredient is found in the following products:

This list shows products that contain 8-Hydroxyquinoline or its alternative names.

Common Questions About 8-Hydroxyquinoline

Is this kid-friendly to use 8-Hydroxyquinoline?

8-Hydroxyquinoline is not recommended for 5+ year old children due to potential safety risks.

What are the fertility risks of 8-Hydroxyquinoline for children?

Some studies link this to future fertility or reproductive issues.

What are the hormones risks of 8-Hydroxyquinoline for children?

May mess with natural hormone development in babies and children.

What are the banned risks of 8-Hydroxyquinoline for children?

Banned or heavily restricted in one or more countries.

What products contain 8-Hydroxyquinoline?

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

When can kids start using products with 8-Hydroxyquinoline?

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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