For adults, glycerol (glycerin) used on the skin is usually safe. It helps keep skin hydrated and is commonly found in lotions and creams. A related form called “glycerol formal” has a regulatory note about possible reproductive or developmental effects, but for most adult use this is low concern.
Use products that contain glycerol as directed. If you have sensitive skin, test a small area first. If you are pregnant, breastfeeding, or trying to become pregnant, talk with your healthcare provider before using products that list “glycerol formal” or similar names.
A European chemicals regulator (European Chemicals Agency) has flagged a possible reproductive or developmental concern for a related form called glycerol formal—this is the source of the warning. Watch for skin irritation or allergic reaction (redness, itching). Avoid high-concentration or industrial products that list glycerol formal, and check product ingredient lists. If you are pregnant or trying to conceive, discuss use with your clinician and consider choosing products that list plain glycerol or glycerin instead.
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Yes, Glycerol is generally considered safe for adults based on current research.
Some studies link this to future fertility or reproductive issues.
Possible effects on early brain growth and mental development.
Linked to long-term health effects after years of use or exposure.
Glycerol 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 adults. Use the age selector above to check other ages.
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