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Cards In This Set
| Front | Back |
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The chemical texture service that loosens overly curly hair or changes tightly curly or coiled hair into loose curls or waves is ___
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Curl re-forming
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The layer of the hair that provides the strength and elasticity of human hair is the ____
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Cortex
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The natural pH of hair is between ____
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4.5 and 5.5
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In permanent waving, the size of the curl is determined by the ___
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Size of the rod
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The technique of wrapping hair at an angle of 90 degrees or perpendicular to its base section is ____
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Half off-base placement
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The two basic types of hair wrapping the hair around a perm rod are the spiral and ____
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Croquignole perm technique
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A reduction reaction involves either the addition of hydrogen or the removal of ____
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Oxygen
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Most cold waves have a pH between ___
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9.0 and 9.6
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The three separate components of acid waves are permanent waving solution, activator, and ____
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Neutralizer
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An endothermic wave is activated by ____
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An outside heat source
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Permanent wave solution should be rinsed from the hair for at least ____
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5 minutes
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The process of rearranging the structure of curly hair into a straighter or smoother form is ___
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Chemical hair relaxing
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Thio relaxers usually have a pH above ____
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10
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Hydroxide ions left in the hair after a relaxer can be neutralized using an ____
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Acid-balanced shampoo
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Which type of relaxer contains only one component and is used exactly as it is packaged with no mixing necessary?
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Metal hydroxide relaxers
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