This is the return policy from their website:
Return policy:
Our hassle-free return policy allows you to return products either to the store or by mail within 30 days of receipt, subject to the exceptions cited below: Store Returns: Bring any unopened, damaged, or defective nonprescription item(s) along with your receipt (invoice) to any CVS/pharmacy store to get a credit of the full purchase price. Use our Store Finder to locate a CVS® store near you. Mail Returns: Call Customer Care to return items by mail. We will take your information, provide return instructions, and alert the fulfillment center so that both your return and credit refund are processed accurately.