Spackle and joint compound require sanding, with Flex Paste light sanding is possible, but not recommended. Just smooth it to your desired finish, or add your own artistic texture. It’s all up to you!
Don’t wipe any excess Flex Paste on the inside of your container, because that could lead to drying. Before your next use, remember to remove any dry Flex Paste that may have dried, or skinned inside of the container.
Here’s everything you need to know about Flex Paste