You can cancel your subscription by logging into your account at www.lipmonthly.com/login and going to the "Subscriptions" tab the top right of your screen. From there, you just need to click "Suspend" subscription to be able to cancel your account. Please note that all subscriptions auto-renew and in order to cancel future renewals and avoid receiving an extra month or set of boxes, you have to cancel prior to your renewal date.
If you joined after September 24, 2015 - your renewal date is:
Monthly Subscription - 1st of the Month
4 Month & Annual - 4 or 12 months after Day you Subscribed
If you joined prior to September 24, 2015 - your renewal date is:
Monthly Subscription - 11th of the Month
4 Month & Annual - 4 or 12 Months later on the 11th of the Month