IS your bathroom cabinet a shrine to abandoned deodorants that didn’t keep you smelling fragrant as promised, and antiperspirants which failed to prevent you from sweating in the first place? Have you ruined a favourite outfit because of indelible white marks left by product residue? Or are you among a growing number of users who wants to replace ones containing aluminium — that barrier to sweating — because of suspected links to Alzheimer’s disease, kidney disease and breast cancer?