If your publication contains adult content you're required to mark your publication as an adult, making it not visible for viewers under the age of 18 years old.
Note: It is assumed that you are in My Magazines.
Step1. Select the magazine you wish and click the Edit Settings button.
Step2. Find the All existing and newly created issues contain adult content option and check the box.
Step3. When you’re done, click the SAVE button, which is located at the bottom.