Cosmetology Exam 1

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The cortex layer of the hair structure is responsible for the hair's length and texture.

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the term pH is an abbreviation used for potential hydrogen.

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The single flat wrap uses one end paper folded in half over the hair ends like an envelope.

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On-base placement minimizes stress and tension on the hair.

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alkaline waves are also known as cold waves.

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Ammonia-free waves use an ingredient other than ATG, such as cysteamine or mercaptamine.

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the most common neutralizer is hydrogen peroxide.

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the curvature permanent warp uses zigzag parting to divide base areas.

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Japanese thermal straightening combines use of a thing relaxer with flat ironing.

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Keratin straightening treatments work by breaking side bonds.

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The process of chemically altering the natural wave pattern of hair is:

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The range of numbers used in the pH scale is:

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Chemical hair texturizers temporarily raise the pH of the hair in order to:

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In the resturctureing process, coarse, resistant hair with a strong compact cuticle require a chemical solution that is:

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chemical side bonds formed when two sulfur-type chains are joined together are:

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In permanent waving, the shape and type of curl are determined by the shape and type of rod and the:

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Rods that are equal in diameter along their entire length or curling area are

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The wrapping technique that provides the most control over hair ends is the

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All perm warps begin by sectioning the hair into

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In permanent waving, panels of hair are divided into smaller subsection called

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Caution should be used with on-base rod placement to avoid additional:

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The angle at which a permanent wave rod is postioned on the head is reffered to as

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The two methods of wrapping the hair around a perm rod are:

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In the croquignole method of wrapping, the hair is wound from:

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Once in the cortex, the waving solution breaks the disulfide bonds through a chemical reaction called:

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In permanent waving, the reduction reaction is due to the addition of:

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The active ingredients or redution agent in alkaline permanent waves is:

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Most alkaline permanent waves had a pH between

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The main active ingredient in true acid and acid-balanced waving lotions is:

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All acid waves have trhee components sonsisting of the permanent waving lotion, neutalizer, and:

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Exothermic waves create a chemical reaction that heats the waving solution and speeds up:

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Waves that are activated from an outside heat source are considered:

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Hair that has to many disulfied bonds broken and will not hold a firm curl is considered:

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The process that stops the action fo permanent wave solution and rebuilds the hair into its new form is:

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Base cations are ofset from each other row by row, to prevent notciable splits, in which wrapping pattern?

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The double-rod wrap technique is also called the:

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The process of rearranging the basic structure of curcly hair into straight or smother form is

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Hydroxide relaxers remove a sulfur atom from a disulfide bond, converting it into a(n):

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Relaxers that contain only one component that are used without mixing are:

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Sodium hydroxide relaxers are commonly called

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relaxers are often marketed and sold as no mix-no lye relaxers are

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relaxers that contain two components and must be mixed immediately prior to use are

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hydroxide relaxers that do not require the application of a protective base are

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The difference in the strength of most chemical hair relaxers is determined by the concentration of

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During a relaxer strand test, hair that is pressed to the scalp and continues to curl is

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The application of chemical relaxers should be started in the most resistant area, usually the

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Conditioner with an acidic pH that restores the hair's natural pH after a hydroxide relaxer is:

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A combination of a thio relaxer and a thio permanent wrapped on large rods is a:

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