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Chapter 1 History and Career Flashcards | StudBud
Chapter 1 History and Career
1 / 30
In 1906, Charles Nessler invented the first perm process that curled hair by ___
A
applying a cold alkaline lotion to the hair
B
treating the hair with para-phenylenediamine (PPD)
C
winding flexible pads treated with a chemical mixture around the hair
D
wrapping the hair around metal rods heated by electric current
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