https://www.selleckchem.com/pr....oducts/Rapamycin.htm
In porcine skin, permeation of serine after 12 hour was 70% higher for the IPA than for serine alone at the same percent weight concentrations. In the clinical trial, after 6 weeks, the number of enlarged facial pores was changed by -19.317% in the IPA emulsion group (P less then .001) and -2.930% in placebo emulsion group (P = .254). Conclusion Exfoliation with an IPA-containing emulsion reduced enlarged facial pores and increased the dermis density. IPA, effective mild exfoliator, can be used as a major ingredient for the cosmeceuti