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. Developed with dermatologists CeraVe Moisturizing Cream has a unique formula that provides 24-hour hydration and helps restore the protective skin barrier with three essential ceramides (1 3 6-II). The formula also contains hyaluronic acid to help retain skin’s natural moisture.