Peter Thomas Roth FIRMx Peeling Gel (courtesy brand via Brandbacker) I am very familiar with K-Beauty Peeling Gels (see my reviews here) and PTR has  created their own!  This gel contains enzymes, cellulose and humecants to help smooth, lift away dead skin cells, oil and dirt from your skin, while leaving it smooth and soft. … More Using Enzymes with Peter Thomas Roth FIRMx Peeling Gel