I'm not doing this with the intention of criticizing your work, but just to teach you, in case you don't already have the knowledge, so don't take it the wrong way!
We've all made the same mistakes!
When using products like ULTIMATE SKIN MOISTURE-Thunder 3d you should adjust the shell offset in the Parameters tab in order to achieve more realistic effects!
I remember having the same problems when I first started using these products!
This example here is deserving of a major tweak.
View attachment 2039400
Normal will be more or less like this!
View attachment 2039403
Anyway, I wish you good luck with your project, as NTR is my favorite tag!