General terms and conditionsOnly one discount or promotion code can be used with each order you place. This means that discount codes cannot be combined, including free shipping codes.If you return one or more items from your order, the applied Welcome discount, Refer a Friend discount, or promotional discount on the item(s) will expire. The applied code for free shipping will be invalidated when returning your entire order.All Otrium discount codes have an expiration date. If you do not know what the expiration date is of your code, you can contact our customer support team through our contact form.Unfortunately, it is not possible to apply a discount code after placing your order. Personal discount  A personal discount code is valid for 12 months unless stated otherwise. This discount code is valid once and linked to your e-mail address. The discount code may be limited to a minimum order value. If this is the case, it will be mentioned.Welcome discountThe 'WELCOME15' discount code allows you to place your first order at Otrium with a 15% discount. This discount code is linked to your e-mail address and has a minimum order value of €50. If you forgot to apply the Welcome code on your first order, it is still possible to use it on your next order.Refer a Friend discount You can read more about the Refer a Friend discount code here.It is not allowed to distribute this code on public pages and websites.Promotional discountYou can find Otrium's promotional discount codes on our social media channels, website, and in our newsletter. The terms and conditions of our promotional discount codes differ per code and are only applicable to orders placed during the promotional period. The discount code cannot be applied on orders placed before or after this period.Student discountAs a student, you get a 15% extra discount on our website. You can click here to unlock your student discount. This code can only be used once per user and is valid until 31-12-2023. For more information about the terms and conditions of this discount, click here.