Lansinoh HPA Lanolin is an ultra purified grade of lanolin, refined using a unique process to make it the world's safest, purest lanolin. Lansinoh HPA Lanolin has been specially developed to help soothe and protect sore, cracked nipples in breastfeeding mothers. Sore nipples can often be a result of uncomfortable positioning of your baby at the breast. It is therefore important to address the cause (with the help of a health professional if necessary) - and in the meantime Lansinoh HPA Lanolin can help to soothe and protect your nipples. Lansinoh HPA Lanolin is the safest, purest nipple cream and completely hypoallergenic.