I got this from a friend, so I am not sure what the price is, if you don't buy the cleanser and moisturizer with it.
I only used the toner, I did not use the ProActiv cleanser and moisturizer with it.
To be completely honest, I did feel it cleaned my face a bit more, but other than that I did not notice any other changes to my face or pores. I found it gentle, but a bit drying at time, I have really dry skin all the time.
Also, I get the odd pimple, so I don't have much acne, and I didn't see any major difference in that aspect either.

Maybe it works better as a 3step process for people with more acne. I know that ProActiv had a major following and it either works for you well or it doesn't at all, there's no in between.

I don't use all three steps of the proactive skincare routine, but i really like this toner. It seems to really clean my face well and i find it actually does what it says it does!