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20 Cards in this Set
- Front
- Back
What does the waving lotion do the hair to make it curl? |
Softens and bends the hair to the to the shape of the rod. |
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What do end papers allow you to control when wrapping a perm? |
The ends. |
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Hair has three layers- the cuticle, the ________________ and the medulla. |
Cortex |
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What determines the size of the curl in a permanent wave? |
The size of the rod. |
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Does resistant hair required a longer processing time? |
Yes |
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__________________ is the ability of the hair to absorb liquids. |
Porosity |
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Can vigorous brushing of the hair before a permanent wave cause scalp irritation? |
Yes |
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How much tension should the hair be wrapped with for a perm? |
Minimum to none |
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Wrapping the hair vertically from ends to scalp is called _____________ wrap. |
Spiral |
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Which type of perm may require the added heat of a dryer? |
Acid |
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The size of the base is determined by....the diameter of the rod, the length of the rod, both, or something else? |
Both |
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Does the hair tend to expand during a permanent Waving process, or does it tend to contract...? |
Expand |
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What is the main ingredient in acid-balanced waving lotion? |
Glyceryl monothioglycolate |
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Do end papers for a perm need to be absorbent? |
Yes |
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What wrapping technique blends parting lines? |
Brick layer |
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Any solution that falls between 0 and 6.9 on the pH scale is ____________? |
Acidic |
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When the perm solution makes its own heat it is called ________________________? |
Exo thermaic |
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In perming, are there disulfide bonds broken? |
Yes |
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The hair's ability to stretch and return without breaking is called __________? |
Elasticity |
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Are disulfide bonds the strongest of the three types of side bonds? |
Yes |