https://www.daz3d.com/one-click-wounds-for-poser

https://www.daz3d.com/lie-wound-pack this is daz only  this is the one used for these examples

https://www.daz3d.com/lie-wound-makeup-artist this is daz only

These could give you some ideas to help you. LIE files are pngs  and can be placed on character in 2d program, then used in poser.

I placed these directly into poser, did not apply in a 2d program and make any adjustments. This is the V4++ base character.