eCosmetics is an authorized retailer of Palmers.Palmer's Cocoa Butter Formula Nursing Butter, an easy-to-apply combination of pure Cocoa Butter and (Panthenol) Pro-Vitamin B5 in a soothing emollient base, helps relieve sore, cracked nipples associated with breastfeeding. Also may be used pre-natally to condition nipples for breast feeding. Dermatologically Tested.