Spot Treatment - Light Tint

I've tried this, and unfortunately for me - after using a whole tube of this, it made absolutely no difference to the acne I had then. I was hoping to be able to use this to conceal the...

I don't usually have facial problems, but I developed two whiteheads that just wouldn't go away. I dabbed on Oxy Spot Treatment - Light Tint (10% benzoyl peroxide) always at night and two times...