@nadine78 you are most welcome! fingers crossed for an improved dermatology experience. and yes - the most helpful skin related advice I've received has come from other lung cancer patients (and a friend with Sjogrens). I found the thread below when I was first on meds and it was incredibly validating.
https://www.inspire.com/groups/american-lung-association-lung-cancer-survivors/discussion/tki-side-effect-busters-tarceva-gilotrif-tagriss-iressa/