For adults: generally safe to use on the skin in normal cosmetic products. The main issue is that it can irritate the skin, eyes, or lungs in some people.
Before using a new product, do a small patch test on your inner forearm and wait 24 hours. Avoid getting products with butylene glycol in your eyes or breathing in sprays or mists that contain it. If you have sensitive skin, choose products with fewer ingredients or look for products labeled for sensitive skin. Stop use if you get redness, burning, or trouble breathing and see a doctor if symptoms are severe.
The biggest warning comes from cosmetic safety reviewers (Cosmetic Ingredient Review): butylene glycol can cause irritation to skin, eyes, or lungs in some people. Also note industry reviewers point out limits on how much is safe in products and some gaps in safety testing — so avoid using high-concentration, leave-on products if you have sensitive skin. If a product lists this ingredient and causes irritation, discontinue use and consult a healthcare provider.
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Yes, Butylene Glycol is generally considered safe for adults based on current research.
Can cause skin redness, itchiness, or rashes—especially on sensitive baby skin.
Butylene Glycol 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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