This essie base coat will help your nails grow stronger. For soft, weak nails, this formula is a fortifying treatment to help protect against breakage. Due to its contents, this product cannot be shipped via our Priority Service or sent to Alaska, Hawaii, and/or APO/FPO military addresses. Application can be used with or without nail color for easy coverage. Apply two coats as a base then follow with two coats of an essie nail polish color. Finalize your manicure with one coat of your favorite esie top coat. Details: 0.5-oz. base coat.