The real question is why does your 5 year old daughter have this problem at her young age? Underarm odour is usually a sign of early puberty. As your daughter is only 5 years old she is obviously far too young to to be entering puberty and this is called 'precocious puberty'. She should be seen by a paediatrician. In the meantime you can use a low allergy, alcohol free deoderant fo her.
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