How long does the No B.S. Deodorant stick last? Ursa Major Skincare April 19, 2017 17:07 Updated Follow No B.S. Deodorant lasts approximately 3-4 months with daily use. Related articles I’ve been using No B.S. Deodorant for a few days and I smell worse than before starting. Is that normal? What's a tonic and how do I use it? What’s the difference between a mineral/physical sunscreen (like ours) and a chemical one? Comments 0 comments Please sign in to leave a comment.