Employ Germ Warfare
If you think you sweat more than most people, you may be right. The number of sweat glands in a person's body can vary from around 2 million to more than 4 million. Yep, that's million. You probably recognize the areas where you typically sweat the most -- and where your sweat is the most fragrant. The underarms and groin area contain lots and lots of apocrine glands (the ones that produce fat laden sweat), so those spots are definitely candidates for a little extra attention. Think of it as added insurance against odor.
The idea here is to rinse problem areas thoroughly with an antibacterial agent that's relatively mild to the skin. Hydrogen peroxide is one good choice. Choose a 3 percent solution, and use about a teaspoon in 8 ounces of water. Swab it on, and rinse it off. Repeat as needed. Other common household items with antibacterial properties you might also consider are diluted isopropyl alcohol, witch hazel, apple cider or white vinegar, and lemon juice. (If you have skin conditions or very sensitive skin, consult your dermatologist before making any changes to your personal care regimen.)