<p> FAQ: How do I know if the product I buy on Walmart is authentic? Only purchase CeraVe branded items that are designated as "Sold and shipped by Walmart.com.” Products sold by distributors or third parties are not guaranteed to be authentic. This designation is listed on the item’s product page under the “Add to cart” button. </p><p> Developed with dermatologists, CeraVe Healing Ointment provides intense, long-lasting moisturization and helps protect, soothe and relieve extremely dry, cracked and chafed skin. CeraVe Healing Ointment combines a non-greasy feel with skin identical ceramides to restore the skin barrier. Apply before bed to lock in moisture while you sleep. Product helps protect skin’s natural moisture barrier for up to 8 hours. CeraVe Healing Ointment temporarily protects injured or exposed skin from external irritants. It forms a protective barrier that may help accelerate skin’s natural healing process and seals in moisture to help heal dryness. </p>