I prefer a deodorant to an antiperspirant for daily use. At the gym I use a spray antiperspirant but find that for normal daily activities a deodorant is sufficient. I used to use an antiperspirant on a daily basis but I got tired of all the staining left behind on my white undershirts. This deodorant does not cause undershirt stains and that's a big plus in my book. Also, even if the scientific community is not in agreement, concerns about how aluminum may negatively react wi..