You will need to use your Promo Codes at Philosophy by following these steps: Please log in or create an account with philosophy.com, then select a product. If you don't have a shopping idea, e-coupon-code.com has 20 promotions for you to check out. Then, click the Calculate button, and finally jump to the payment page, you will see the information of [Select your Coupon Codes], click to select the Coupons you want to use, and then return to the payment page to continue to complete the payment. Please note that used Coupons will be automatically removed from your coupon.