The shampoo the groomer used may have dried her coat out a bit?
We use a conditioner in the winter here because it gets soo dry indoors. This conditioner is reaaaally good at retaining moisture to the coat. Also make sure your furbaby drinks plenty of water, what goes in the body affects the coat too.
Here is the conditioner I normally use in the winter, but it is not a leave in conditioner:
Espree Animal Products -