HomeEducationSkin Biology and Chemical Peel SeminarSep 21st, 2009Sep 21st, 2009Cathy Christensen, PCA SKINLos Angeles, CACaliforniaWesthttp://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.