Dial antibacterial deodorant bar soap is on sale at Amazon. Grab the 32-pack for $18.11 (regularly $31.99) when you opt in to Subscribe & Save for up to 15% off. That's about $0.57 per bar.
Please note that you'll need at least five subscription items sent to the same address to score the highest Subscribe & Save discount. Shop more Subscribe & Save deals.
I also recommend checking out the KCL essentials coupon hub for deals on deodorant, body wash, sunscreen, and more.