The method of using Penhaligon's Discount Codes is as follows: confirm whether you have an account in Penhaligon's, if not, you can create a new account. If you are buying a single Penhaligon's product, you can directly enter the payment page. Then you should fill in the corresponding Penhaligon's Discount Codes on the payment page, and Promo Codes will automatically be redeemed when paying.