MN Cosmetology Boards Exam
Questions and Answers
Alkaline Perm/Cold Wave - Answer-pH between 9.0 and 9.6 - Ammonium Thioglycolate
- Room Temp. - Coarse, thick, resistant hair
True Acid Perm - Answer-pH between 4.5 and 7.0 - Glyceryl Monothioglycolate -
Endothermic (add heat) - Extremely porous or very damaged hair
Acid Balanced Perm - Answer-pH between 7.8 and 8.2 - Glyceryl Monothioglycolate -
Room Temp. - Porous or Damaged hair
Ammonia Free Perm - Answer-pH between 7.0 and 9.6 -
Monoethanolamine/Aminomethylpropanol - Room temp. - Porous to normal hair
Low pH Perm - Answer-pH between 6.5 and 7.0 - Ammonium sulfite/Ammonium
bisulfite - Endothermic (add heat) - Normal, fine, or damaged hair
Lye Relaxer - Answer-pH between 12.5 and 13.5 - Sodium Hydroxide - Good for
extremely curly hair - May cause scalp irritation and breakage
No-lye Relaxer - Answer-pH between 13 and 13.5 - Guanidine Hydroxide - less skin
irritation - more drying to hair
Thio Relaxer - Answer-pH between 9.6 and 10.0 - Ammonium Thioglycolate -
compatible with soft curl permanents - strong ammonia smell
Low pH relaxer - Answer-pH between 6.5 and 8.5 - Ammonium Sulfite/Bisulfite Relaxer ,
- less damaging to hair - does not relax extremely curly hair well
No-mix, lye relaxer - Answer-pH between 12.5 and 13.5 - Lithium Hydroxide and
potassium hydrixide
Texture - Answer-Fine, medium, coarse
Density - Answer-Thickness or number of hairs per square inch on the head
Porosity - Answer-Ability of hair to absorb moisture
Elasticity - Answer-How far the hair stretches before breaking
Metallic dyes - Answer-Darken hair after each use
Hyponichium - Answer-Under the free edge
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