Neutrogena is a well trust and extensive brand that specialises in many different skin products. The rapid spot clearing gel comes in a small tube and you use the tiniest amount and dab it directly onto the red spot. I have put it a couple of times on popped pimples and it stings a bit. But if you have a small spot it clears it up with continued application in about 2 days. I find if I put too much of the product on the spot it goes slightly gummy and peels off, so it is important to only use a tiny amount otherwise it probably won't do anything. The active ingredient is Salicic acid, which is...