Exam (elaborations)
PSI Cosmetology Theory Exam Questions & 100% Verified Answers | Latest Update | Already Graded A+
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Soft Water/ Rain water : Best for shampooing and allows shampoo to lather freely Hard Water : Minerals that lessen the ability of the shampoo to lather Purified water/Deionized water : Main ingredient in shampoo Surfactant : has two ends the HYDROPHILIC HEAD and LIPOPHILIC TAIL Hydrophilic ...
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