What Is Acnecide Gel?   Acnecide contains the active ingredient benzoyl peroxide 5% which attacks the bacteria (germs) known as Propionibacterium acnes, one of the main causes of acne.Your Doctor or Pharmacist has recommended this medicine to treat your acne.Acne appears as blackheads and whiteheads which people often refer to as pimples or spots.  You can use Acnecide on the face, neck and back.   How to use Acnecide Gel?   For External Use Only Unless instructed otherwise by your Doctor or Pharmacist - Wash the affected area with a mild skin cleanser and water, and gently pat your skin dry Apply the gel in a thin layer once or twice a day to all of the affected areas If you have sensitive skin apply the gel once daily before bed Any drying or peeling which may occur to your skin may be reduced if you alter the number of times you apply i.e. once a day or once every 2 days until your skin adjusts to the treatment Try to avoid exposure to strong sunlight whilst using A