Certain Dri

  Certain Dri Anti-Perspirant is the strongest available formula without a prescription and is the #1 over-the-counter antiperspirant recommended by doctors for controlling excessive underarm perspiration. Certain Drishould be applied approximately 2-3 times a week at bedtime, allowing it to penetrate pores overnight. If you still want to use a deodorant in the morning – you can create your own personal sweat [...]