a Hair was purchased from International Hair Importers and Products.
b Rhodapex ES-2K (INCI: Water (aqua) (and) Sodium Laureth Sulfate) is a product of Solvay.
c Oxidant cream #2, 9% 30 vol., and bleaching compact powder Plastifiz Précision;
d Garnier Permifique;
e Garnier 100% color #562; and
f Elsève Color Vive are products of L’Oréal.
g Mirataine BET-C30 (INCI: Water (aqua) (and) Cocamidopropylbetaine) is a product of Solvay.
h Mirasil DME-2 KCG (INCI: Water (aqua) (and) Dimethicone (and) Laureth-8 (and) Succinoglycan) and
j Mirasil ADM-E (INCI: Water (aqua) (and) Amodimethicone (and) Trideceth-6) are products of Bluestar Silicones.
k The Suntest CPS+ is manufactured by Heraeus Industrietechnik.
m The Venticell from Fisher Bioblock Scientific was used for this study.
n Spectrophotometer CM-2500d from Konika-Minolta Sensing, Inc. was used for this study.