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A client who is considering a chemical relaxer service frequently consumes highly caffeinated beverages. Why does this matter? 

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

Actinic lip changes, if keratotic, are best treated with:

Which of the following local anesthetics may be combined for injection-free local anesthesia (Oraqix)?

Epinephrine should be avoided in patients with uncontrolled_____________.

A hair analysis indicates the client has non-porous hair. Which perm type should the cosmetologist recommend? 

Under which of the following conditions can a texture service be performed? 

What is the active ingredient in acid waves? 

Asymmetrical and Symmetrical refer to types of …..

Implied line is often created by placing two contrasting values or textures beside each other.