Asian skin Vs Black or Caucasian skin

There are reports that Asian skin (AS) is more sensitive compared to Black skin (BS) or Caucasian skin (CS). A few studies have been conducted to answer this question. Most of these studies are based on trans-epidermal-water-loss (TEWL), or rates of percutaneous absorption. Although small differences have been found in some of these properties, they have been found to be statistically not signi