PSI Cosmetology Theory Exam 2024/2025 updated Questions And Answers 100% correct Verified
Soft Water/ Rain waterBest for shampooing and allows shampoo to lather freely Hard WaterMinerals that lessen the ability of the shampoo to lather Purified water/Deionized waterMain ingredient in shampoo Surfactanthas two ends the HYDROPHILIC HEAD and LIPOPHILIC TAIL Hydrophilic HeadAttracted to water Lipophilic TailAttracted to dirts and oils Acid Balanced ShampoopH of 4.5-5.5 Jheri Reddingfirst to introduce pH balanced shampoo in the 1960s Clarifying Shampooacidic base to cut through buildup on the hair strand HumectantsMost conditioners carry this. Promote retention of moistur
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psi cosmetology theory exam updated ques