I use this in conjunction with the regimen's 2.5% bp treatment and a fancy pants antioxidant-filled moisturizer. This lineup has worked quite well for me. Before I started the regimen a few months ago, I went from having red, inflamed under-the-skin pimples all over my chin + inflammatory blockages and whiteheads on my cheeks to clear, balanced skin with only ~2 pimples right before my monthly lady fun times. It probably wouldn't clear acne on its own, but if you're using a gentle bp treatment and a good moisturizer, hopefully it will work as well for you as it has for me.
caveat 1: I do find that it dries out my dryness-prone areas a little after I take a really hot shower (not my fault - my shower alternates between glacial runoff and scalding hell water). not so much in the morning when I use the sink.
caveat 2: I do find its nice to OCCASIONALLY use a gentle exfoliating wash (e.g. salicylic acid wash) in place of this, since this is so gentle it doesn't always get rid of that dead skin buildup that can happen near a healing pimple (I know you know exactly what I'm talking about). bp can make your skin flake, and yes, exfoliants can be irritating, but used sparingly I think it's nice to get rid of that dead skin buildup. Helps the bp and moisturizer absorb better and makes the skin tone more even. For me at least. Just sayin.