Vichy 24-hour deodorant With its 48-hour efficacy, deodorant effectively controls sweating while allowing the skin to breathe. Dual benefits: anti-odor and anti-dampness. 48-hour deodorant with anti-perspiration properties. For both sexes who have excessive sweating and wish to combine effective deodorant with skin-friendly formulation. does not cause skin to become white. lets air flow through the skin.