Learn the proper methods as taught byWork Sharp Sharpenerson YouTube.
Do a consistent push forward stroke away from the flat side to the pointed side.
This is perfect for removing some material lightly from the blades of the scissors.

Image Credit: Work Sharp Sharpeners via YouTube
Do a paper or fabric test to check.
Some scissors dont allow you to go all the way to the inner end.
Keep in mind to do a consistent stroke.

Using an angled carbide
Angled carbide is known for scraping but you could also use it for sharpening.
Keep on scraping the top until its sharp enough to like.
Do a paper or fabric test to check.

it’s possible for you to also use a drill bit, using the same method and process.
*All these images are credited toWork Sharp Sharpenersvia YouTube.