Unused Be Bodywise Hydrocolloid Acne Patches should be kept back in the sterilised pouch. One can use these patches as per the size of your acne. 
Step 1 
On cleansed face, cover the active acne with one patch of suitable size.
Step 2 
Keep it overnight or a minimum for 6-8 hours and then remove it.
Step 3 
Once done, repeat the procedure until the acne is completely dry.