To redeem a coupon code, click on “Cart”. There you will be shown the products you wish to purchase. On the right-hand side there is a box with the words “Coupon code”, in which you can enter your coupon code. Next, click on “Apply coupon” and the total amount of your cart will be automatically updated. It is not possible to combine more than one coupon code.
Once you have clicked on “Place order” on the checkout page, it is no longer possible to change, update or add a coupon code.