Certain Dri is the #1 over-the-counter brand that doctors recommend for their patients with excessive sweating and is one of the original clinical antiperspirant brands. Certain Dri offers three levels of protection to help sufferers manage their excessive sweating. Certain Dri Everyday Strength Clinical Antiperspirant + Deodorant provides effective all day protection for more certainty against odor and sweating. With 20% Aluminum Zirconium Complex it the first step in managing hyperhidrosis providing clinical sweat protection with added deodorant protection.