Obagi Nu-Derm Exfoderm Forte is “Step 4” in the Nu-Derm System, designed to help remove dead skin cells while promoting the regeneration of new skin cells. Formulated with 6% glycolic acid and 4% lactic acid,Obagi Nu-Derm Exfoderm Forte will leave your skin looking firmer, lighter, and brighter. Benefits: Excellent for skin types that need a deeper exfoliation for maximum results Helps remove dead, old skin cells and regenerate new skin cells Leaves skin looking lighter, brighter, and fresher Ideal for Normal to Oily skin types [ 2 oz. / 57 g. ]Price: $ Read More and Buy it here!