I'd just smooth the trouble areas and project again. If the lowpoly doesn't match the highpoly, you'll get those results in the first image. You might also want to Geometry > Freeze SubDivisionLevels > select the Zmodeler brush, and alter the lowest subdiv so that you get better projection results
So i recently finished retopologizing this model and knew that i was going to project some of the detail back onto the sculpted highpoly and bake some of the more very small details onto this subdivided low poly, the high poly itself is made up of multiple subtools but i wanted to make it the low poly one object so that…
You may need to fiddle around with the projection settings a bit (try the distance slider first, and if that doesn't help you can try messing around with the projection shell) to get a proper result.It doesn't look like there are too many closely overhanging parts on the sculpt, so that should be enough. Another more…