Transforming a simple product photo on a plain white backdrop into an atmospheric commercial scene requires thoughtful background and surface descriptions. By uploading a clean reference snapshot, you can preserve the exact geometry, labeling, and proportions of the item while altering the...
The exposure looks good to me, but I would try a slightly smaller aperture so the whole figure stays in focus from the base to the face. A plain gradient backdrop instead of the busy background would also keep the eye on the paint job.
I had the same trouble with glossy hair. What finally worked was moving both lights further away and bouncing them off white card instead of pointing them at the mini, plus a final coat of matte varnish thinned a little so it dried evenly.
Seconding the white storage bin idea. I used a frosted one with two cheap 5000K desk lamps on either side and a strip of grey card curving up the back, and it got rid of most of the hard shadows for well under twenty dollars.