Medical Quiz

Topics: Cosmetology Quiz

What is the most common type of perm rod?

A. Curved

B. Concave

C. Convex

D. Soft bender

Select your answer:
     


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What is the second factor in the overall strength of the waving solution?

A. Ammonium thioglycolate

B. Amount used

C. Degrees of alkalinity

D. Length of hair