For babies 6–12 months (infants, older newborns): betaine is usually used to moisturize skin and is generally low risk, but there are some reports of mild irritation and concerns about possible contamination during manufacturing. So it’s mostly safe but use with care.
Use products made for babies from brands that test ingredients. Do a small patch test (apply a tiny amount on the inner forearm or leg and wait 24 hours). Use a small amount, avoid broken skin and the eye area, and don’t combine many products that also list betaine. If the product doesn’t list sourcing or testing, choose a different product.
Stop use and check with your child’s doctor if you see redness, rash, swelling, watery eyes, or breathing problems. The irritation notes come from the European Chemicals Agency and Cosmetic Ingredient Review; contamination concerns (dioxins, PAHs, PCBs, lead) are noted in ingredient safety reviews and sourcing records. Also be aware that the FDA notes betaine can appear in food or additives, so a baby could have multiple sources of exposure.
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This ingredient has the following documented risks:
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This ingredient may also be listed as:
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This ingredient is found in the following products:
This list shows products that contain Betaine or its alternative names.
Scientific research related to this ingredient:
These research articles provide scientific evidence about Betaine safety and effects.
Yes, Betaine is generally considered safe for 6-12 month old babies based on current research.
Connected to cancer risk with long-term or repeated exposure. This is especially important for babies whose skin and systems are still developing.
May harm organs like liver, kidneys, or lungs with repeated use. 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.
Builds up in the body over time with repeated use. This is especially important for babies whose skin and systems are still developing.
Detected in breast milk, meaning it can pass from mom to baby. 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.
Betaine 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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