What are chemical hair care services?
· Chemical hair services include permanent waving, straightening, and hair lightening or coloring. The services all cause permanent changes to the hair. Who is licensed to perform these services?
· In California, only state-licensed cosmetologists and barbers in state-licensed salons or barbershops may legally perform chemical hair care services. As of August 2004, there were more than 206,000 licensed cosmetologists and more than 17,000 licensed barbers in the state.

What should I do if my hair isn’t in the best condition?
· The first thing you should consider is asking the operator to do a pretest. What are the different pretests?
· For permanent wave services, a preliminary test curl may be done. This type of test will help determine…

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