Cosmetology Chemical Texture Services

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Cosmetology Chemical Texture Services
2012-05-04 11:26:57
cosmo fredi chemical service texture

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  1. Exothermic waves create a chemical reaction that heats the waving solution and speeds up:
  2. Chemical side bonds formed when two sulfur-type chains are joined together are:
    disulfide bonds
  3. The most common neutralizer is hydrogen peroxide.(T/F)
  4. Relaxers are often marketed and sold as no mix–no lye relaxers are:
    potassium hydroxide relaxers
  5. Hydroxide relaxers that do not require the application of a protective base are:
    no-base relaxers
  6. The application for chemical relaxers should be started in the most resistant area, usually he:
    back of head
  7. The wrapping technique that provides the most control over hair ends is the:
    double flat wrap
  8. Base sections are offset from each other row by row, to prevent noticeable splits, in which wrapping pattern?
    bricklay permanent wrap
  9. The main active ingredient in true acid and acid-balanced waving lotions is:
    glyceryl monothioglycolate
  10. The most common reducing agents used are:
    thioglycolic acids
  11. The strength of any permanent wave is based on the concentration of its reducing agent. (T/F)
  12. The active ingredient or reducing agent in alkaline permanent waves is:
    ammonium thioglycolate
  13. All perm wraps begin by sectioning the hair into:
  14. The process of rearranging the basic structure of curly hair into a straighter or smoother form is:
    chemical hair relaxing
  15. Hair that has too many disulfide bonds broken and will not hold a firm curl is considered:
  16. In permanent waving, the reduction reaction is due to the addition of:
  17. Hydroxide relaxers remove a sulfur atom from a disulfide bond, converting it into a(n):
    lanthionine bond
  18. Chemical hair texturizers temporarily raise the pH of the hair in order to:
    soften and swell the shaft
  19. Hydrogen bonds are easily broken by water or heat and are re-formed when the hair is:
  20. The process that stops the action of permanent wave solution and rebuilds the hair into its new form is:
    thio neutralization
  21. Japanese thermal straightening combines use of a thio relaxer with flat ironing. (T/F)
  22. The single flat wrap uses one end paper folded in half over the hair ends like an envelope.(T/F)
  23. Keratin straightening treatments work by breaking side bonds.(T/F)
  24. Relaxers that contain two components and must be mixed immediately prior to use are:
    guanidine hydroxide relaxers
  25. Conditioner with an acidic pH that restores the hair’s natural pH after a hydroxide relaxer is:
    normalizing lotion
  26. The curvature permanent wrap uses zigzag partings to divide base areas.(T/F)
  27. Ammonia-free waves use an ingredient other than ATG, such as cysteamine or mercaptamine.(T/F)
  28. Most alkaline permanent waves have a pH between:
    9.0 and 9.6
  29. The active ingredient in all hydroxide relaxers is the:
    hydrogen ion
  30. Salt bonds can be broken by water, whereas disulfide bonds are broken by changes in pH.(T/F)
  31. The cortex layer of the hair structure is responsible for the hair’s length and texture.(T/F)
  32. Chemical services should not be performed if the scalp analysis shows any signs of:
  33. In the croquignole method of wrapping, the hair is wound from:
    ends to scalp
  34. Hair that has been treated with a hydroxide relaxer is unfit for permanent waving and will not hold a curl.(T/F)
  35. Once in the cortex, the waving solution breaks the disulfide bonds through a chemical reaction called:
  36. Most acid waves used in salons have a pH value between:
    7.8 and 8.2
  37. The two methods of wrapping the hair around a perm rod are:
    croquignole and spiral
  38. The angle at which a permanent wave rod is positioned on the head is referred to as:
    base direction
  39. Rods that are equal in diameter along their entire length or curling area are:
    straight rods
  40. Sodium hydroxide relaxers are commonly called:
    lye relaxers
  41. On-base placement minimizes stress and tension on the hair.(T/F)
  42. In permanent waving, panels of hair are divided into smaller subsections called:
    base sections
  43. The term pH is an abbreviation used for potential hydrogen. (T/F)
  44. Hair that is treated with hydroxide relaxers must not be treated with:
    thio relaxers
  45. The process of chemically altering the natural wave pattern of hair is:
    chemical texture services
  46. Alkaline waves are also known as cold waves.(T/F)
  47. Relaxers that contain only one component and are used without mixing are:
    metal hydroxide relaxers
  48. Most common type of perm rod
  49. Also known as the circle rod
    Loop rod
  50. Tough exterior layer of the hair
  51. Compound made up of carbon, oxygen, hydrogen nitrogen, and sulfur
    Amino acid
  52. Long, coiled polypeptide chains
    Keratin proteins
  53. Permanent waves that have a 7.0 or neutral pH
    Acid-balanced waves
  54. Hair is wrapped at an angle other than perpendicular to the length of the rod
    Spiral perm wrap
  55. Also known as a straight set wrap
    Basic permanent wrap
  56. Waves that are activated from an outside heat source are considered:
  57. The difference in the strength of most chemical hair relaxers is determined by the concentration of:
  58. During a relaxer strand test, hair that is pressed to the scalp and continues to curl is:
    insufficiently relaxed
  59. A combination of a thio relaxer and a thio permanent wrapped on large rods is a:
    soft curl permanent
  60. In permanent waving, the shape and type of curl are determined by the shape and type of rod and the:
    wrapping method
  61. In the restructuring process, coarse, resistant hair with a strong compact cuticle requires a chemical solution that is:
    highly alkaline
  62. Caution should be used with on-base rod placement to avoid additional:
    Stress and tension on hair
  63. The range of numbers used in the pH scale is:
    0 to 14
  64. In permanent waving, the size of the rod determines the size of the curl.(T/F)
  65. All acid waves have three components consisting of the permanent waving lotion, neutralizer, and:
  66. The double-rod wrap technique is also called the:
    piggyback wrap