You need to follow the steps below to use your Coupon Codes in Perfumer's Apprentice: add your favorite products to the shopping cart, then click log in or create a new account, and then return to the Perfumer's Apprentice shopping cart to select the products you need to purchase (can be a single product, multiple Perfumer's Apprentice orders can also be placed together). Then jump to the payment page, select Coupons of your Perfumer's Apprentice on the payment page, and complete the payment.