Duradry PM Sweat Minimizing Gel for underarms reduces sweating up to 95% within one week of use. Duradry PM Sweat Minimizing Gel for underarms reduces sweating up to 95% within one week of use. Unsatisfied with conventional market deodorants, Duradry’s founder, Jack, set out to create a range of products with clean ingredients. From sweat-minimizing gel, cleansing and deodorizing wipes, and body odor protection spray, Duradry’s products keep you feeling — and smelling — fresh all day long.