35250809
Description
Flashcards by Efrain Ruiz, updated more than 1 year ago
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Created by Efrain Ruiz
about 2 years ago
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| Question | Answer |
| Acid Balance Waves | Permanent waves that have a 7.0 or netural pH; because of their higher pH, they process at room temperature, do not require the added heat of a dryer, process more quickly, and produce firmer curls than true acid waves. |
| Ammonium Free Waves | Perms that use an ingredient that does not evaporate as readily as ammonia, so there is very little odor associated with their use. |
| Ammonium Thioglycolate (ATG) | Active ingredient or reducing agent in alkaline permanents. |
| Base Control | Position of the tool in relation to its base section, determinded by the angle at which the hair is wrapped. |
| Base Relaxers | Relaxers that require the application of protective base cream to the entire scalp prior to the application of the relaxer. |
| Basic Permanent Wrap | Also known as straight set wrap; perm wrapping pattern in which all the rods within a panel move in the same direction and are positioned on equal-sized bases; all the base sections are horizontal, and are the same length and witdth as the perm rod. |
| Chemical Hair Relaxing | A process or service that rearranges the structure of curly hair into a straighter or smoother form. |
| Chemical Texture Services | Hair services that cause a chemical change that alters the natural wave pattern of the hair. |
| Croquignole Perm Wrap | Perms in which the hair strands are wrapped from the ends to the scalp in overlapping concentric layers |
| Curvature Permanent Wrap | Perm wrap in which partings and bases radiate throughout the panels to follow the curvature of the head. |
| Disulfide Bonds | Chemical side bonds that are formed when the sulfur atoms in two adjacent protein chains are joined together. |
| Endothermic waves | Perm activated by an outside heat source, usually a conventional hood-type hair dryer. |
| Exothermic Waves | Create an exothermic chemical reaction that heats up the waving solution and speeds up processing. |
| Glyceryl Monothioglycolate | Main active ingredient in true acid-balanced waving lotions. |
| Half Off-Base Placement | Base control in which the hair is wrapped at an angle of 90 degrees or perpendicular to its base section, and the rod is positioned half off its base section. |
| Hydrogen Bond | a chemical bond consisting of a hydrogen atom between two electronegative atoms (e.g., oxygen or nitrogen) with one side be a covalent bond and the other being an ionic bond |
| Hydroxide Neutralization | An acid-alkali neutralization reaction that neutralizes (deactivates) the alkaline residues left in the hair by a hydroxide relaxer and lowers the pH of the hair and scalp; hydroxide relaxer neutralization does not involve oxidation or rebuild disulfide bond |
| Hydroxide Relaxers | Very strong alkalis with a pH over 13; the hydroxide ion is the active ingredient in all hydroxide relaxers |
| Keratin Proteins | Long , coiled polypeptide chains. |
| Lanthionization | Process by which hydroxide relaxers permanently straighten hair; they remove a sulfur atom from a disulfide bond and convert it into a ianthionine bond. |
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