Actually, according to my Aunt who is a nurse and my cousin, your BM is the best remedy. Applying nipple cream might alter the taste of your BM. I had cracked nipples during the first few weeks and I just apply my BM onto the wound and it healed quickly.
You can get Earth Mama Organic Nipple Butter or Pigeon Nipple care cream
Nuhaabotanicals. Check her instagram. Organic and handmade.
Mothercare It's Your Body pure lanolin nipple cream
I use Medela you can get it from kiddy Palace :)
I'm using Palmers cocoa butter nursing butter.
Medela purelan 100 (ingredient is lanolin)
Palmer's Cocoa Butter Formula
Recommend mustela is good.
Mustela, medela and avent