HomeEducationSkin Biology & Chemical Peel SeminarJun 8th, 2010Jun 8th, 2010Cathy Christensen, PCA SKINTulsa, OK, USAOklahomaCentralhttp://www.pcaskin.comPhone:877-722-7546 This one-day seminar will give you a solid understanding of skin biology and the safe and effective application of superficial chemical peels.