Anhydrol Forte Anhydrol Forte treats excessive sweating of the armpits, hands or feet. Suitable for adults (including pregnant & breastfeeding women), children & the elderly, it contains the active ingredient aluminium chloride hexahydrate, which works in two ways to treat hyperhidrosis: Reduces sweating by blocking sweat ducts in the skin. Provides a deodorant action by killing the bacteria that cause body odour. Anhyrdol Forte is a clear, fragrance free roll on that is applied at night & washed off in the morning, so is a subtle product to use to prevent those embarrassing social situations.