HomeEducationSkin Biology & Chemical Peel Seminar (Licensed Professionals and Students)Mar 12th, 2010Mar 12th, 2010Cathy Christensen, PCA SKINPhiladelphia, PAPennsylvaniaEasthttp://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.