Shake the can, hold it about six inches from clean, dry underarm skin, and spray for about two seconds on each underarm. Many products also advise waiting a few minutes after shaving before applying.
Many sprays are marketed as free of parabens, sulfates, dyes and other additives. Some also specify additional exclusions such as preservative-free, baking soda–free, or alcohol-free formulations. At least one option is explicitly aluminum-free and labeled vegan.
Many antiperspirant sprays use aluminum‑based actives such as aluminum zirconium or aluminum sesquichlorohydrate (listed at 15.2% in some products). Some deodorant sprays are explicitly labeled aluminum‑free.
These antiperspirant sprays commonly advertise up to 72 hours of odor and sweat protection.
Labels commonly include a flammable warning. Additional cautions in some products advise consulting a doctor if you have kidney disease, waiting a few minutes after shaving before applying, and not using on broken skin.
Most antiperspirant dry sprays list a net weight of 3.8 ounces, while at least one aluminum‑free deodorant spray is listed at 3.5 ounces.
