http://www.helium.com/knowledge/290302-extreme-acne-treatment-injections-surgery-cryotherapy-and-acid-peels.xml Helium.com > Acne & Blemish > Extreme acne treatments: Injections, surgery, cryotherapy, and acid peels en-us Copyright Helium.com Sat, 31 Oct 2009 06:44:28 GMT Sat, 31 Oct 2009 06:44:28 GMT