Don't use antiseptic soap, it's very dangerous, one should use it only for a very short time, and if the person had parasites-like infections, antiseptic soaps should be forbidden in other cases. You don't realize it, but it makes your odor worse because the skin is an ecological system, and by using antiseptics, you remove everything good from your skin, you kill yourself your whole skin army.
Where are you sweating?
Do you drink a lot?
What is the odour like, normal sweat or special odour?
Try to remove everything that is not natural or toxicogene from your way of life. Sodas, caffeine, chemical deodorants, and have a hypotoxic diet.