tst ivm.clk mmh2 clkh2 achf nopl spfp4 uam1 lsph nmim1 slnm2 crtt spfp misp spfp1 spfp2 clik2 clik3 spfp3 estr".split(" ");Even though allantoin continues to be a mainstay in Korean skin care for years, an abundance of brand names stateside are pursuing suit and incorporating the sensitive-pores and skin-friendly ingredient into their own formulas.