User blog comment:Godisme/THE SQUAD ZERO/@comment-5695542-20121114235631/@comment-1393830-20121116162839

The only reason Ichigo had Hollow powers in the first place was because he underwent shattered shaft training, which caused the formation of an inner Hollow due to him taking too long to complete it. The second time around, his own Shinigami powers just got a jump start, there was nothing left of his Hollow powers.