Dad's RO sez 100% Aloe (NO alcohol) is the best and use it anytime, even right before his daily IMRT treatments...guess each doc is different. It seems to help Dad. The brand name is Fruit of the Earth...you have to read labels to find 100% unless of course you grow your own!

Daughter of 75-yr-old Dad with tongue cancer (T3NOMO) surgery and rt neck dissec 4/27/05; completed 27 X IMRT on 7/01/05; recurrance w/ surgical removal of another SCC tumor on 10/7 (he's also nonHodgkins lymphoma survivor since 1/94)