For newborns and infants (0–6 months), sucralose used on the skin is unlikely to cause immediate harm because it does not absorb well through skin and carries low direct toxicity. That said, there is a note in some scientific reports that sucralose can persist in the environment and may build up over time, so we recommend being cautious with repeated or large-area use on babies.
If you use a product that contains sucralose on a baby: use it sparingly and only where needed, avoid applying it over large areas of baby skin, do not use it on broken, red, or irritated skin, and rinse off if irritation appears. For newborns and young infants prefer plain water or a very mild cleanser and keep cosmetic-type products to a minimum. If you plan frequent or long-term use, choose products without unnecessary added ingredients or talk with your pediatrician.
Watch for any redness, rash, swelling, or other signs of irritation and stop use if these occur. Avoid routine daily, large-area application in infants because a 2017 review (Organohalogen Pollutants and Human Health, 2017) notes sucralose can be persistent and may accumulate in the environment and tissues. Also keep products out of baby’s mouth and away from eyes. Regulatory reviews note allowed uses in consumer products, but that does not replace cautious use for very young babies.
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Yes, Sucralose is generally considered safe for 0-6 month old babies based on current research.
Builds up in the body over time with repeated use. 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.
Linked to long-term health effects after years of use or exposure. This is especially important for babies whose skin and systems are still developing.
Linked to PFAS or similar chemicals that stay in the body and environment for years, potentially causing long-term harm. This is especially important for babies whose skin and systems are still developing.
Sucralose 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 0-6 month old babies. Use the age selector above to check other ages.
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