Chapter 20 chemical texture services

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Chapter 20 chemical texture services

Toggle Navigation. Game Preview. Milady ch 20 chemical texture services. Game Code: Chemical Texture services. Share Milady ch 20 chemical texture services. Class PIN. Google Classroom Facebook Twitter. Save to Folder. New folder Save Cancel. Glycerol monothioglycolate is the active ingredient in what type of waving lotion? Sodium hydroxide is the active ingredient in what type of perm?

Just because a perm is indicated for use on color-treated hair does not mean it is safe for damaged or bleached hair. Therefore, the application of an acid-balanced shampoo or a normalizing lotion neutralizes any remaining hydroxide ions to lower the pH of the hair and scalp, chapter 20 chemical texture services. Do not relax hair treated with metallic dye.

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The chemical texture service that loosens overly curly hair into loose curls or waves is:. The technique of wrapping at a degree angle or straight out from the center is:. The two basic types of wrapping hair around a perm rod are the spiral method and:. The process of rearranging extremely curly hair into a straighter or smoother form is:. Which type of relaxer contains one component and is used without any additional mixing?

Chapter 20 chemical texture services

The measurement of the thickness or thinness of a liquid that affects how the fluid flows. Coumpounds made up of carbon, oxygen, hydrogen, nitrogen, and sulfur. Perm activated by an outside heat source, usually a conventional hood-type hair dryer. Strong chemical side bonds formed when the sulfur atoms in two adjacent protein chains are joined together. Hair is wrapped at an angle of 90 degrees or perpendicular to its base section. One end paper is placed under and another is placed over the strand of hair being wrapped. One end paper is folded in half over the hair ends like an envelope. Hair strands are wrapped from the ends to the scalp in overlapping concentric layers. A matching sheet, or a matching quiz, is a sheet with two columns. In the first column there will be a word, statement or question, and in the second column are the answers, jumbled around in a different order.

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Answer: Thio relaxers break disulfide bonds and soften hair. NOTE: Explain that the application procedures are the same for thio and hydroxide relaxers, but that the procedure is different for a virgin application and a retouch application. If to many disulfide bonds are broken in the perming process, what happens to the hair? Hair is processed to desired curl reduction. Use a neutralizing shampoo with a color indicator to guarantee that the hair and scalp have been restored to their normal pH. Toggle Navigation. Because acids neither swell the hair nor penetrate into the cortex, it is necessary for manufacturers to add an alkalizing agent to the solution. Wet set breaks hydrogen bonds only. Perms add volume and fullness for styling and especially help hair with a soft, fine texture. Polypeptide chains are peptide bonds formed by amino acids that join what? It will let you know how long the product can remain on the hair before desired results are achieved or damage will occur. The thinnest and weakest sections of the hair strands are located at the twists. Pause Do not use hot irons or excessive heat on chemically relaxed hair. Disulfide bonds that were broken by the waving solution are rebuilt.

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Caution: Hair that has been treated with hydroxide relaxers is unfit for thio relaxers or soft-curl perms. Then, the hair is rinsed thoroughly, for about 10 minutes, conditioned, and blown completely dry. Answer: Thio relaxers break disulfide bonds and soften hair. Please wait. Cuticle- tough exterior layer of hair; surrounds inner layers; protects hair from damage Cortex- middle layer; responsible for strength and elasticity Medulla- innermost layer; often called pith or core; may be missing in fine hair What are the chemical actions that take place during permanent waving? The water is removed in the final rinse. The hydrogen atoms are strongly attracted to the oxygen in the neutralizer; they release their bond with the sulfur atoms and join with the oxygen. Examine the scalp for abrasions. Techniques are the same for men and women. Do not apply thio over hydroxide.