my 2.5 year baby has one white hair what can be reason and is it any problem or its common?

A. hi it happens because of many reasons like genetic, excess usage of cosmetic ,etc. so please offer homemade healthy and well blanaced diet. keep your child well hydrated avoid giving RO water provide apt sun light at least 20 minutes a day apply coconut oil daily on your child hair wash your child's hair with mild shampoo. maintain good hygiene.