I've not heard of that one. I'm using Colegate Fluriogard, alcohol free mouthwashwash. It has extra fluoride in it to give me a boost. It's really mild too for the sensitive mouth. Not sure if you can get it where you are, but it might be on Amazon


F 39 x-smoker no alcohol
05/20/19 T4aN1/N2bM0 SCC a whopper of a tumour at 8cm long & 4cm wide
Pembro pre & post surgery
RIG
Glossectomy ND RFFR 08/13/19
RT x33
2x cispltin
So far, no evidence of disease
Now an author of a recipe book for mouth cancer patients