Exam (elaborations)
PSI Cosmetology Theory Exam Questions and Answers
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PSI Cosmetology Theory Exam Questions and Answers 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...
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