You need to go to the email you received after placing an order, then click on the link you received that says “Manage Subscription” Click here here you will be able to switch your products, change the delivery date, the time between deliveries, your billing info or even cancel your subscription.  ORYou can also go to your Swiss Toniq account Click here , then click on “Manage Subscription” Click here then follow the same steps as explained above.