The most effective anti-perspirant you can buy without a prescription. In an independent test Certain Dri Prescription Strength Anti-Perspirant proved more effective and longer lasting -- even 84 hours after application.
Certain Dri contains Aluminum Chloride, the ingredient prescribed by Dermatologists to patients with excessive perspiration or Hyperhidrosis. Laboratory studies prove that Aluminum Chloride is more effective and more longer lasting than other ingredients found in anti-perspirants. Yet safe when used as directed.
Direction