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65 Cards in this Set
- Front
- Back
The chemical texture service that loosens overly curly hair into loose curls or waves is: |
Curl re-formation |
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The layer of the hair that provides strength and elasticity is the: |
Cortex |
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The natural pH of hair is: |
5.0 |
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In permanent waving, the size of the curl is determined by the: |
Size of the rod |
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The technique of wrapping at a 90-degree angle or straight out from the center is: |
Half off-base placement |
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The twp basic types of wrapping hair around a perm rod are the spiral and: |
Croquignole method |
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A reduction reaction involves either the addition of hydrogen of removal of: |
Oxygen |
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Most alkaline permanent waves have a pH between: |
9.0 and 9.6 |
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The basic components of acid waves are permanent wave solution, activator, and: |
Neutralizer |
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An endothermic wave must be activated using a(n): |
Outside heat source |
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Permanent wave solution should be rinsed from the hair for a minimum of: |
5 mintues |
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The process of rearranging extremely curly hair into a straighter or smoother form is: |
Chemical hair relaxing |
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Thio chemical relaxers usually have a pH value above: |
10 |
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Hydroxide ions left on in the hair after a relaxer can be neutralized using a(n): |
Acid-balance shampoo |
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Which type of relaxer contains one component and is used without any additional mixing? |
Metal hydroxide relaxers |
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Lithium hydroxide relaxers and potassium hydroxide relaxers are often advertised and sold as: |
No-lye relaxers |
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Which type pf bonds are relatively weak physical side bonds that are the result of an attraction between negative and positive electrical charges? |
Salt bonds |
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Which type of rod is also commonly known as circle rod? |
Loop rods |
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For on-base placement, the hair is wrapped at a _____ angle beyond perpendicular to its base section, and the rod is positioned on its base. |
45-degree |
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Which permanent wave processes at room temperture? |
Ammonia-free wave |
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Chemical texturizers _____ the pH of the hair. |
Raise |
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When should you perform an elasticity test? |
Before perming hair |
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Porous hair: |
Can be damaged by a highly alkaline permanent waving solution |
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GMTG, the primary reducing agent in all acid waves, has: |
a low pH |
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True acid waves: |
Require heat to process |
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Ammonia-free waves: |
Can be damaging |
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In permanent waving, most of the processing takes place within: |
5 to 10 minutes |
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With permanent waving, it is recommended that you: |
Examine that scalp before the perm services |
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With extremely curly hair, the twists are the _______ sections of the hair strands |
Thinnest and weakest |
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Relaxers are: |
Extremely alkaline |
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If the client's hair has been treated with a hydroxide relaxer, it: |
Is ideal for permanent waving |
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A _____ is a perm wrap in which one end paper is placed under and another is placed over the strand of hair being wrapped |
Double-flat wrap |
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Which type of rods are usually about 12-inches (30.5 centimeters) long with a uniform diameter along the entire length? |
Soft bender rods |
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Thioglycolic acid: |
Is a common reducing agent |
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The _____ is the innermost layer of the hair. |
Medulla |
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The partings and bases radiate throughout the panels to follow the curvature of the head in which type of wrap? |
Curvature permanent wrap |
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The chemical bonds that join amino acids together are called: |
Peptide bonds |
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A _____ is a type of perm wrap in which the hair is wrapped at an angle other than perpendicular to the length of the rod. |
Spiral perm wrap |
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Which of these is a method of hair straightening that combines the use of a thio relaxer with a flat ironing? |
Japanese thermal straightening |
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Which type of relaxer requires the application of protective base cream to the entire scalp prior to the application of the relaxer? |
Base relaxer |
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The middle layer of the hair is the: |
Cortex |
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What term refers to the angle at which the rod is positioned on the head? |
Base direction |
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A ______ is a type of wrap that uses one end paper folded in half over the hair ends like an envelope. |
Bookend wrap |
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A _____ is a wrapping pattern in which all the rods within a panel move in the same direction and are positioned on equal-sized bases. |
Basic permanent wrap |
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Which of these are commonly known as lye relaxers? |
Sodium hydroxide relaxers |
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Which rods are equal in diameter along their entire length or curling area? |
Straight rods |
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What terms refers to the thickness or thinness of a liquid? |
Viscosity |
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The ______ is the tough exterior layer of the hair. |
Cuticle |
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Which of these terms refers to the position of the rod in relation to its base section? |
Base placement |
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A ______ is a type of wrap in which the hair is wrapped on one rod from the scalp to midway down the hair shaft. |
Piggyback wrap |
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Which of these stops the action of waving solution and rebuilds the hair into its new curly form? |
Thio neutralization |
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Long chains of amino acids joined together by peptide bonds are known as: |
Polypeptide chains |
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The process by which hydroxide relaxers permanently straighten hair is called: |
Lanthionization |
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Hydrogen bonds can be broken by: |
Either water or heat |
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The reducing agent agent used in permanent waving solutions is commonly referred to as: |
Sulfate |
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Manufactures add an alkalizing agent ti waving solutions because the acid in them: |
Neither swells the hair nor penetrates into the cortex |
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A pH is 7.0 is ________ than the pH of hair, |
100 times more alkaline |
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Most of the acid waves found in today's salons have a pH between: |
7.8 and 8.2 |
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What is NOT one of the three main components of an exothermic wave? |
Concentrator |
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A(n) ______ uses an endothermic process. |
low-pH wave |
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Which type of perm is recommended for very damaged hair? |
True acid wave |
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What is the most common neutralizer? |
Hydrogen peroxide |
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When rinsing the hair for a permanent wave, it is recommended that you: |
Always smell the hair the hair after the recommended time has elapsed |
|
Japanese thermal straightening: |
Is sometimes called thermal reconditioning |
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Mild-strength relaxers are formulated for: |
Fine, color-treated, or damaged hair |