1. Rather than using deodorant, switch to antiperspirant

However, antiperspirants will not only kill the odor but also temporarily block your sweat glands to prevent you from sweating. Deodorants help kill odor under your armpits, but antiperspirants do both. If you find that a standard antiperspirant does not work for you, you should look for stronger options that contain approximately 13% aluminum chloride. Use on armpits that have been
shaved, dried, and kept clean.

Read more>>https://medicalcaremedia.com/5-ways-to-get-rid-of-sweaty-armpits/