For adults: squalane is generally safe to use on the skin in moisturizers and cosmetics. Most people do not have problems with it; irritation or allergic reactions are uncommon.
Before regular use, try a small patch test on the inner forearm and wait 24 hours. Use products from reputable brands that list ingredient purity and follow product directions. Avoid applying to open wounds or severely broken skin. If you are pregnant, breastfeeding, or have a hormone-sensitive condition, talk with your healthcare provider before using products with squalane.
A few laboratory studies reported weak effects on hormones (National Toxicology Program), so pregnant or breastfeeding adults and people with hormone-sensitive conditions should check with a clinician. Industry reviewers also note limits and recommendations on concentration and purity (Cosmetic Ingredient Review), so choose well-made, purified products. Environment Canada notes it is not expected to persist or build up in the body, but some environmental effects are uncertain. Stop use and see a doctor if you get redness, itching, swelling, or other signs of an allergic reaction.
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Yes, Squalane is generally considered safe for adults based on current research.
May mess with natural hormone development in babies and children.
Acts like fake hormones in the body, confusing natural signals.
Possible negative effects on the environment
Squalane 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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