Hello, skin of babies are very sensitive.
U have to take proper care of them. Redness and other rashes may occur if u don't use good product.
Type of products depends on skin type.
Send me the pictures of affected also u can discuss with me in detail about skin type through direct online consulation so that I can guide you further.
Health Tips
U have to use cotton clothes. Avoid dust.
Avoid harsh chemicals soap, detergent.