Hand sanitisers: Those alcohol-based rubs that everyone from your grandmother to the corner store is stocking in five-litre cans these days. Also, too frequent use of sanitiser can make you more prone to allergies in the long run, says Dr Radha Gongati, senior consultant dermatology, Apollo TeleHealth, Hyderabad. Myth 2: As long as I use sanitiser, I’m safe Truth: “Sanitisers …