I also have thick curly hair under my arms and I dont shave everyday. Maybe once a week if that? Sometimes I cant be bothered.

Another thing might help you is looking for natural deodorant that might help.

Heres some that helped me:

Mens: https://www.amazon.com/Toms-Maine-Lasting-Deodorant-Mountain/dp/B01ANSKPGM

Women: https://www.amazon.com/Toms-Maine-Womens-Antiperspirant-Deodorant/dp/B00TGZNC1O?th=1