For infants (6–12 months): Isododecane is a common cosmetic solvent that is generally considered low risk, but it can sometimes cause mild irritation. Because babies’ skin is still sensitive, we remain cautious.
If you use a product that contains isododecane on a 6–12 month old baby, apply only a small amount to a small area, no more than once a day. Avoid putting it on broken skin, near the eyes, or on the mouth area. Do a small patch test on the arm and wait 24 hours to check for redness or rash before using more widely. Prefer products made for babies or plain formulations without unnecessary solvents for everyday use.
Watch for redness, rash, swelling, watery eyes, coughing or fussiness after application — stop use right away if any of these happen and call your pediatrician. The concern about irritation comes from the Cosmetic Ingredient Review and peer-reviewed studies; some animal studies noted organ or nervous system effects only at higher doses (European Chemicals Agency, Cosmetic Ingredient Review). Also note that some safety certification programs restrict use of this ingredient unless manufacturers provide safety data, so check labels if you prefer certified products.
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Scientific research related to this ingredient:
These research articles provide scientific evidence about Isododecane safety and effects.
Yes, Isododecane is generally considered safe for 6-12 month old babies based on current research.
May harm organs like liver, kidneys, or lungs with repeated use. This is especially important for babies whose skin and systems are still developing.
Can cause skin redness, itchiness, or rashes—especially on sensitive baby skin. This is especially important for babies whose skin and systems are still developing.
Possible effects on early brain growth and mental development. This is especially important for babies whose skin and systems are still developing.
Possible negative effects on the environment This is especially important for babies whose skin and systems are still developing.
Isododecane 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 6-12 month old babies. Use the age selector above to check other ages.
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