Cosmetology Test Chemical Texture Services 3

Question 1

What type of perm is recommended for clients with color-treated or previously chemically processed hair?

Accepted Answer

Acid-balanced perm (low pH perm)

Answer

Acid-balanced perms have a lower pH (between 4.5 and 7.0) and are gentler, making them more appropriate for sensitized or chemically treated hair.

Question 2

What is 'over-processing' in a chemical relaxer service?

Accepted Answer

Leaving the relaxer on beyond the recommended time, causing damage

Answer

Over-processing occurs when the relaxer is left on too long, breaking down too many bonds and causing breakage, elasticity loss, or hair dissolution.

Question 3

Which wrapping technique uses two rods on one section of hair, one wrapped on top of the other?

Accepted Answer

Piggyback wrap

Answer

The piggyback wrap uses two rods per section stacked vertically to accommodate very long hair and create a uniform wave.

Question 4

Why must a cosmetologist avoid overlapping relaxer onto previously relaxed hair?

Accepted Answer

It can cause severe breakage of already-processed hair

Answer

Relaxer overlapping onto already-processed strands double-processes that hair, weakening it severely and causing breakage.

Question 5

What does the term 'elasticity test' evaluate before a chemical texture service?

Accepted Answer

The hair's ability to stretch and return to its original length

Answer

The elasticity test checks whether the cortex bonds are intact by stretching a strand to see if it returns to its original length without breaking.

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