If you don't use the upload image function, nobody will see this in the comments.

Not bad but it's got no hair details, the dimensions aren't correct and it could do with being rotated slightly anti-clockwise. Please have a look at the guidelines in this thread to see what we're looking for in our cuts.

What method did you use to remove the background? Here's a couple of videos on how to use remove.bg, one when combined with Photoshop and another using photopea.com, which is a free online app so close to Photoshop that it has the same shortcuts, layout and icons.

If you don't have Photoshop, photopea.com is the tool I would recommend to use to tweak the draft cut produced by remove.bg. It's more powerful and versatile than GIMP and other similar tools.