Term
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Definition
| Not true acid waves, as they have a pH between 7.8 and 8.2 and use glycerl monthioglycolate (GMTG) as the primary reducing agent; process at room temperature |
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Term
| Alkaline Waves/Cold Waves |
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Definition
| Have a pH between 9.0 and 9.6, use ammonium thioglycolate (ATG) as the reducing agent and process at room temp. |
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Term
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Definition
| Compound made up of carbon, oxygen, hydrogen and nitrogen |
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Term
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Definition
| Perms use alkanolamines instead of ammonia |
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Term
| Ammonium Thioglycolate (ATG) |
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Definition
| Active ingredient or reducing agent in alkaline permanents |
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Term
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Definition
| Position of the rod in relation to its base section; determined by the angle at which the hair is wrapped |
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Term
| Base Cream/Protective Base Cream |
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Definition
| Oily cream used to protect the skin and scalp during relaxing |
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Term
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Definition
| Angle at which the rod is positioned on the head (horizontally, vertically, or diagonally) |
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Term
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Definition
| Perm wrap in which all the rods within the panel move in the same direction and are positioned on equal-size bases. |
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Term
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Definition
| The position of the rod in relation to its base section; determined by which the angle that the hair is wrapped |
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Term
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Definition
| Relaxers that require the application of protective base cream to the entire scalp prior to the application of the relaxer |
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Term
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Definition
| Subsections of panels in which hair is divided for perm wrapping |
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Term
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Definition
| Perm wrap in which one end paper is folded in half over the hair ends like an envelope. |
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Term
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Definition
| Perm wrap similar to actual technique of bricklaying |
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Term
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Definition
| Rearranges the structure of curly hair into a straighter or smoother form. |
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Term
| Chemical Texture Services |
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Definition
| Hair services that cause a chemical change that permanently alters the natural wave pattern of the hair. |
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Term
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Definition
| Perm rods that have a smaller diameter in the center that increases to a longer diameter on the rods |
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Term
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Definition
| Middle layer of the hair, located directly beneath the cuticle layer. |
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Term
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Definition
| Perms in which the hair strands are wrapped at an angle perpendicular to the perm rod, in overlapping concentric layers |
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Term
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Definition
| Perm wrap in which partings and bases radiate throughout the panels to follow the curvature of the head |
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Term
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Definition
| Chemical side bonds that are formed when the sulfur atoms in two adjacent protein chains are joined together. |
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Term
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Definition
| 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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Term
| Double-Rod (Piggy-Back) Technique |
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Definition
| Perm wrap in which two rods are used for one strand of hair, one on top of the other |
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Term
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Definition
| Absorbent papers used to control ends of hair when wrapping and winding hair on perm rods. |
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Term
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Definition
| Perm activated by an outside heat source, usually hooded dryer. |
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Term
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Definition
| Creates an exothermic chemical reaction that heats up the waving solution and speeds up processing |
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Term
| Glyceryl Monothioglycolate (GMTG) |
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Definition
| Main active ingredient in true acid and acid-balanced waving lotions |
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Term
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Definition
| Base control in which the hair is wrapped at the hair is wrapped at an angle of 90 degrees to its base section and the rod is positioned half off on its base section |
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Term
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Definition
| Weak physical side bonds that are the result of an attraction between opposite electrical charges |
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Term
| Hydroxide Neutralizations |
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Definition
| The neutralization of hydroxide relaxers is an acid-alkali neutralization reactions that neutralizes (deactivates) the alkaline residues left in the hair by the hydroxide relaxer and lowers the pH of the hair and scalp. |
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Term
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Definition
| Very strong alkalis with a pH over 13 |
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Term
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Definition
| Process by which hydroxide relaxers permanently straighten hair |
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Term
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Definition
| Tool that is usually about 12 inches long with a uniform diameter along the entire length of the rod |
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Term
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Definition
| Perms that work at a low pH, and use sulfates, sulfites and disulfites as an alternative to ammonium thioglycolate |
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Term
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Definition
| Innermost layer of the hair and is often called the pith or core of the hair |
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Term
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Definition
| Ionic compounds formed by a metal (sodium, potassium, or lithium) combined with oxygen and hydrogen |
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Term
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Definition
| Relaxers that do not require application of a protective base cream |
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Term
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Definition
| Conditioners that restore the hair's natural pH after a hydroxide relaxer and prior to shampooing |
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Term
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Definition
| Base control in which the hair is wrapped at a 45 degree angle below perpendicular to its base section, and the rod is positioned completely its base section |
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Term
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Definition
| Base control in which the hair is wrapped at a 45 degree angle beyond perpendicular to its base section, and the rod is positioned completely its base section |
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Term
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Definition
| Chemical bonds that join amino acids together to form polypeptide chains |
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Term
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Definition
| Relatively weak physical that are a result of an attraction between opposite electrical charges |
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Term
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Definition
| Disulfide, salt and hydrogen that cross-link polypeptide chains together |
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Term
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Definition
| Perm wrap that is similar to double flat wrap but only uses one end paper, placed over the top of the strand of the hair being wrapped |
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Term
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Definition
| Tool about 12 inches long with a uniform diameter along the entire length |
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Term
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Definition
| Combination of a thio relaxer and a thio permanent wrapped on large rods to make existing curl larger and looser |
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Term
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Definition
| Hair is wrapped at an angle other than perpendicular to the length of the rod, which causes the hair to spiral along the length of the rod. |
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Term
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Definition
| Perm rods that are equal in diameter along their entire length or curling area |
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Term
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Definition
| Stops the action of a permanent wave solution and rebuilds the hair in its new curly form |
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Term
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Definition
| Use the same ammonium thioglycolate (ATG) that is used in permanent waving, but at a higher concentration and a higher pH (above 10) |
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Term
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Definition
| Perm that uses cysteamine or mercapyamine instead of ammonium thioglycolate as the primary reducing agent |
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Term
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Definition
| Colorless liquid with a strong unpleasant odor; provides the hydrogen that causes the reduction reaction in permanent waving solutions |
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Term
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Definition
| Have a pH between 4.5 and 7.0, require heat to process(endothermic), process more slowly than alkaline waves, and do not usually produce as firm a curl as alkaline waves |
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Term
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Definition
| Wrapping technique that uses zigzag partings to divide base areas |
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