Footnotes (CT1309 Hsu)

a Corum 9515 (INCI: 3-O-Ethyl Ascorbic Acid) is a product of Corum, Inc., www.corum.com.tw.
b Mushroom Tyrosinase T3824 is a product of Sigma, www.sigmaaldrich.com.
c MelanoDerm tissues are manufactured by MatTek Corp., www.mattek.com.
d Sirius Direct Red 80 is a product of Sigma-Aldrich, www.sigma-aldrich.com.