I have been using this bar for 2 weeks now, and have had NO negative issues with my skin. Up until now (8 years) , I've only used Acne.org's cleanser because it was unscented and was easy to purchase with the Acne.org BP. However, I tend to go through cleanser more than BP because I workout and wash my face often - so the price to order cleanser with shipping and then wait time made me decide to find something I could buy local. I found this at my local Walgreens - it was $3.00 with tax - for 4 oz. This is a little cheaper than Acne.org and I can just walk into the store and buy it (no shipping costs, no waiting) so I was really hoping this would work with my skin. Now after 2 weeks, I have had not a single zit or irritation from it. It has no scent and the bar lasts FOREVER. You don't need much - so I'm really happy to have found something to save on ordering online all the time. I have found that it is drying (even more drying than the acne.org cleanser - on my skin) but for some reason, having my skin dryer after washing seems to work BETTER with my BP absorption. I've found that by the end of the day, I don't have the shiny/sheen/oily looking skin like I did with the acne.org cleanser - combined with having BP on my skin all day. I think that because this soap bar is more drying, it allows the BP to absorb instead of just "lay" ontop of my skin, which I think was happening with the acne.org cleanser. Even when I wash my face at night - my skin feels more like skin now (when washing the BP from all day) versus when I'd wash my skin when using the acne.org cleanser + BP, it always felt like my BP was slimy and still sitting there on top all day. Never really absorbing. So, I would highly recommend trying this if you want to cut costs from ordering cleanser online, or if you just want something to handle your oily skin a bit better. I've also noticed that my skin looks less "red" with this cleanser + BP versus when I was using the acne.org cleanser + BP. It might be the Basis has some more natural ingredients, or it could be the Basis is allowing the BP to soak in more into my skin - I don't know, but I know that my BP red tinged skin is gone. I love this cleanser.
EDIT: Just wanted to come back and add that it's now Aug 2015 and I'm STILL using this bar as my only face wash with the DKR method. I highly recommend this face bar. I even switched back to Dan's cleanser for a week to try and use old products up, and I had breakouts appear. I immediately went back to the Basis. It's a great, CHEAP face wash bar.