>>354891919
>>354898086
I'm tarded and just now realized you're referring to the issues caused by deleting or merging some verts effected by shapekeys. It's hard to nail down exactly what causes it, but avoid adding or removing vertices from your mesh and that should be safe. If the explosions happen on your clothing or something else where shapekeys aren't needed but not on your face, you can salvage the face by separating the clothes from the face and removing their shapekeys.