COS 101 Chapter 18

COS 101 Chapter 18

120 cards   |   Total Attempts: 188
  

Cards In This Set

Front Back
Chemical texture service that loosens overly curly hair into loose curls or waves
Curl Re-forming
All chemical texture procedures involve changing the hair structure using ___ and ___.
Chemical and physical
Exterior hair structure layer that protects the hair from damage is the ___
Cuticle
They layer of hair that provides strength and elasticity is the ___.
Cortex
Hair bonds that cannot be broken by heat or water are ___.
Disulfide Bonds
The natural pH of hair is between ___.
4.5 - 5.5
Permanent waves cannot be performed if the hair is coated with ___.
Metallic salts
Disulfide bonds are chemical based side bonds that are formed when ___.
Sulfur atoms in two adjacent bonds protein chains are joined together.
The measurement used to determine the hydrogen ions in a solution is __.
Potential of hydrogen

pH
Chemical texturizers temporarily raise the pH of the hair by lifting the cuticle layer to __.
Allow the solution to reach the cortex.
Long, coiled peptide chains that are part of the hairs' structure are __.
Keratin proteins
The client record card should include a complete evaluation of the length, texture, color, and ___.
Condition of the hair.
During the hair and scalp analysis procedure, the stylist should look for ___.
Abrasions or signs of scalp disease
Hair texture that requires a longer processing or rewetting of solution to ensure complete saturation is __.
Coarse textured.
The measurement of the number of hairs per square inch on the head is __.
Density