There has been quite a bit of discussion over the effectiveness of Saw Palmetto in treating acne. Given that Saw Palmetto seems to reduce DHT levels it seems a reasonable assumption that it may have a beneficial effect on those suffering from hormonal acne.
Unfortunately, at this point, there do not seem to be any conclusive studies showing that Saw Palmetto can effectively treat acne. The theory is there but the supporting studies are not.
Is Saw Palmetto Effective?
A cursory search of acne related forums may help you make a decision regarding Saw Palmetto. Many people have tried Saw Palmetto for their acne and have had mixed results. You can see some of the acne related posts at the links below: