Step 1. 

Sign into your account with the person icon. It's in the upper right on desktop, or upper left on mobile.

Step 2. 

Enter your email or sign in using Shop.

Step 3. 

Click "Manage Subscriptions" and then click "Click here to view subscription".

Step 4. 

See the image below for where to click to edit your subscription items or frequency, skip a shipment, or reschedule a shipment.