During this time it's normal to see light brownish scabbing.
This could be one explanation for the scabbing.
Finally, the are some hereditary skin disease such as Sebasceous Adenitis (SA) that also cause the kind of scabbing you describe.
Scabbing Stage: The first scab may break and cause itching and burning; a second scab will form that is much smaller.
Potential side effects include the possibility of infection, scarring, bleeding, minor bruising or scabbing.