If there is a specific product you would not like to run ads for, then follow these steps to remove it from your Retargeting Feed.
Sign in to your Dashboard
Click on “Facebook Product Catalog” on the right side under "Retargeting Feed"
4. In the “Search Products” bar at the top of the page, type in the name of the product you would like to exclude
5. Under the image of the product, toggle the option that says “Included” so that it says “Excluded”
6. You’re done! That product will no longer be shown in your retargeting ads. 🙌