You can do proper tub cleaning for now, handwash/pre soak baby clothes then use washing machine. Wash separately from other adult/kids clothing. You use ABD powder detergent, Kodomo, Seventh Generation or you can search for other preferred brand. Ensure that the product is sort of pH balance. Meanwhile, you can use Cetaphil/Sebamed product, use mash rompers/bamboo silk/fibre clothes for baby. It can be due to allergy or heat rash from weather.
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