I also used Aquaphor during and after treatment, and a few weeks after I finished radiation, I started using mederma. It took 9-12 months to fade to the point it is at now (currently 20 months post radiation).

08/24/07 Dx at age 44 never smoker, occasional drink
T1N0M0 G2
09/06/07 partial glossectomy(rt),neck disection (rt) 32 nodes clear
12/05/07 35 RTx w/boost, 63 GY, finished
12/28/09 PET/CT all clear!!
12/19/11 check-up, all clear - 4 years cancer-free now !!