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30 Cards in this Set
- Front
- Back
Compunds made up of carbon, oxygen, hydrogen, and nitrogen
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Amino Acids
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Perms use alkonolamines instead of ammonia, and are popular because of their low odor
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ammonia-free waves
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active ingrediient or reducing agent in alkaline permanents
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ammonium thioglycolate (atg)
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Oily cream used to protect the skin and scalp during hair relaxing
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base cream or protective base cream
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Position of the rod in relation to its base esction, determined by the angle at which the hair is wrapped
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base control
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Angle at which the rod is psitioned on the head; also, the directional pattern in which the hair is wrapped.
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base direction
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The position of the rod in relation to its base section, and is determined by the angle at which the the hair is wrapped.
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base placement
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Relaxers that require the application of protective base cream to the entire scalp prior to the application of the relaxer
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base relaxers
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Subsections of panels into which hair is divided for perm wrapping; one rod is normally placed on each base section.
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base sections
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Perm wrap inwhich all the rods within a panel move in the same direction and are positioned on equal-size bases; all base sections are horizontal, with the same length and width as the perm rod
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basic perm wrap
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Perm wrap in which one end paper is folded in half over the hair ends like an envelope
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bookend wrap
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Perm wrap similar to actual technique of bricklaying; base sections are offset from each other row by row
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bricklay perm wrap
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Rearranges the structure of curly hair into a straghter or smoother form
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chemical hair relaxing
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Hair services that cause a chemical change that permanently alters he natural wave pattern of the hair
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chemical texture services
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Perm rods that have a smaller diameter in the center that increases to a large diameter on the ends
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concave rods
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middle layer of the hair, located directly beneath the cuticle layer. The cortex is responsible for the incredible strength and elasticity of human hair.
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Cortex
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Perms in which the hair strands are wrapped at an angle perpendicular to the perm rod, in overlapping concentric layers
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Croquignole Perms
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Perm wrap in which partings and bases radiate throughuot the panels to follow the curvature of the head
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Curvature Perm Wrap
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Chemical side bonds that are formed when the sulfur atoms in two adjacent protein chains are joined together. Disulfide bonds can only be broken by chemicals and cannot be broken by heat or water.
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Disulfide bonds
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Perm wrap in which one end paper is placed under, and one is placed over, the strand of hair being wrapped.
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double flat wrap
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Perm wrap in which two rods are used for one strand of hair, one on top of the other
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Piggyback
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Perm activated by an outside heat source, usually a conventiional hood-type dryer
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Endothermic waves
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Absorbant papers used to ontrol the ends of the hair when wrapping and winding hair on perm rods
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end papers
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Creates Exothermic chemical reaction that heats up the waving solution and speeds up processing
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Exothermic waves
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Main active ingredient in true and acid-balanced waving lotions
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Glyceryl monothriglycolate
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Base control in which the hair is wrapped at an angle of 90 degrees to its base section and the rod is positioned half off its base section
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half off base placement
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Weak physical side bonds that are the result of an attraction between opposite electrical charges; easily broken by water, as in wet setting, or heat, as in thermal styling, and re-form as the hair dries o cools
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Hydrogen bonds
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The neutralization of hydroxide relaxers is an acid-alkali neautralization reaction that neutralizes the alkaline residues left in the hair by the hydroxide relaxer and lowers the pH of the hair and scalp. Hydroxide relaxer neautralization does not invovle oxidation or rebuild disulfide bonds.
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Hydroxide neutralization
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Very Strong Alkalis with a pH over 13. The hydroxide ion is the active ingredient in all hydroxide relaxers.
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hydroxide relaxers
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Process by which hyrodoxide relaxers permanenlty straighten hair
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lanthionzation
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