Hey dear using a natural nipple butter will be good . I use the moms co natural nipple butter it will help to cure the rashes and cracked and sore nipples . Made with natural oils and butter a chemical free product.

Try virgin coconut oil or mamaearth nipple butter

apply own breast milk and externally mama earth nipple cream works wonders

massage daily with coconut oil while bathing.

apply coconut oil or ghee.. it will help you... I have also gone through the same.. .