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Abner is opening a beauty business. He knows that his course in chemistry will help him to run a better business because ______.

Which of the following perm types is processed without a heat source?

How does thio neutralization differ from hydroxide neutralization?

Which of the following item(s) prevents fishhooks?

Which of the following is an indication of overprocessed hair?

All of the following occur during the consultation for chemical relaxer EXCEPT:

Which of the following is TRUE today of the disposal of many of the chemicals used in salons, spas, and barbershops?

What should the cosmetologist instruct clients to do if perm solution drips into the eyes?

All of the following perm rods have a uniform diameter EXCEPT:

When a perm is processed correctly, it breaks and rebuilds how much of the hair’s disulfide bonds?