You can use deodorant mint and rosemary which is very effective for its antibacterial properties that remove bad body odor. Boil the rosemary leaves with the mint leaves for 15 minutes and throw it away every day after showering.
You can also use lavender oil which helps both relax the body and also to avoid bad body odor. Dilute 5 drops of lavender oil in half a liter of water, keep this liquid in a bottle that stays fresh and smears the parts affected by the bad smell.
Another product that can help you is the Bicarbonate helps you control excessive sweating since you have antibacterial properties, you only need Bicarbonate and Talcum powder mix them in equal parts and throw it in the areas most affected by the bad smell.