48 hr proven sweat protection. Dermatologist tested. Aluminum zirconium tetrachlorohydrex gly. If you are not satisfied with the Old Spice product, return the unused portion along with the purchase receipt. For further details call 1-800-PROVE-IT (776-8348). www.oldspice.com. Questions? 1-800-677-7582; www.oldspice.com.