For toddlers and preschoolers (ages 2-5), this ingredient should be treated with caution. It is an antimicrobial that is allowed in some products but has official limits or restrictions and has unclear safety when left on the skin.
If you see 8-hydroxyquinoline on a product for a young child, prefer products made for children and those that rinse off (bath products) rather than creams or lotions that stay on the skin. Avoid use on the face, near the mouth, or on broken or irritated skin. Use a small amount if needed and stop use immediately if the child develops redness, itching, or any skin change. When in doubt, check with your childβs pediatrician before using the product.
Avoid leave-on baby or child skincare products containing this ingredient because safety for leave-on use is not well-established (Cosmetic Ingredient Review). Health Canada and some regulators restrict or limit its use in cosmetics, so do not assume all products are safe for young children. One European agency has flagged a possible reproductive or developmental concern (European Chemicals Agency). Also note it is prohibited for use in food (U.S. FDA), so prevent accidental ingestion and keep products out of reach.
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This ingredient has the following documented risks:
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This ingredient may also be listed as:
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This ingredient is found in the following products:
This list shows products that contain 8-Hydroxyquinoline or its alternative names.
Scientific research related to this ingredient:
These research articles provide scientific evidence about 8-Hydroxyquinoline safety and effects.
8-Hydroxyquinoline is not recommended for 2-5 year old children due to potential safety risks.
Some studies link this to future fertility or reproductive issues. Young children may be more sensitive to these effects.
May mess with natural hormone development in babies and children. Young children may be more sensitive to these effects.
Banned or heavily restricted in one or more countries. Young children may be more sensitive to these effects.
8-Hydroxyquinoline 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 2-5 year old children. Use the age selector above to check other ages.
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