Truly a wonder product and the best kept secret of the perfume industry. This  odourless bloc of alum is a powerful deodorant that will keep you fresh all day without leaving you smothered in a fog of chemical scent, leaving you free to scent yourself with your chosen cologne. 
Bloc Hyalin is also a strong astringent and can be used post shaving to stem any minor cuts or nicks.
One block will last you years.
Buy with or without the cute tin.