Is Flexify a must? FB denied my product (push up bra) By admin | October 17, 2019 | Like | 2019-10-17 17 October 2019 It’s not a must, you can set up retargeting manually or with scalify app: https://apps.shopify.com/scalify or refer to the cheatsheet: https://drive.google.com/file/d/1pWbsNuCFWDlKUUmJo5iRSi5VU3BBMEwo/view?usp=sharing