Lansinoh® HPA® LANOLIN, 100% ultra pure lanolin, for breastfeeding mothers has been soothing, healing and protecting sore, cracked nipples for over thirty years. Sore nipples are one of the most frequent discomforts during breastfeeding and are often a result of incorrect attachment. It is essential to address the underlying cause, and Lansinoh® HPA® LANOLIN is here to provide relief while you do so. Clinically proven to accelerate healing, Lansinoh® HPA® LANOLIN is so pure that there is no need to remove before breastfeeding.