If they are on a good feeding schedule, shedding is a good thing - they are growing and that's exactly what you want. Each snake is different, so I wouldn't worry about it too much.
x2
1.1 Het Albino BP 1.0 Banded king 1.1 Amelanistic Het Anerythristic Corns 1.1 Het Albino Western Hognose 0.1 Garter