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The main structures of the hair root are the:
Follicle, The Bulb, Dermal Papilla, Sebaceous Glands, & Arrector Pili Muscle
The natural flow of the hair as it emerges from the scalp & slants in a particular direction is known as the:
Some factors that influence sebum production are:
Diet & Blood Circulation, Stimulated Endocrine Glands, & Emotional Disturbances & Drugs
An involuntary muscle fiber attached to the underside & base of the hair follicle is the:
Arrector Pili Muscle
To penetrate the cuticle layer in order to reach the cortex, a solution must be:
More Alkaline Than The Hair
Approximately one-third of the hair's strength is attributed to the:
Salt, Disulfide, & Hydrogen Bonds (Cross Bonds)
The type of melanin that provides a range of hair color from red to light blonde tones is:
The final phase of the hair cycle that lasts until the fully grown hair is shed is called the:
To determine the hair's texture, density, porosity, & elastictiy, the barber performs a:
The term used to indicate the number of individual hair strands per square inch of scalp area is:
The ability of the hair to stretch & return to its original length without breaking is its:
Level of Elasticity
Hair loss that occurs as a result of genetics, age, & hormonal changes is called:
Hair loss characterized by the sudden falling out of hair in round patches is called:
Common scalp disorders include:
Dandruff, Vegetable & Animal Parasitic Infections, & Staphylococcal Infections
Classic dandruff characterized by scalp irritation, flakes, & an itchy scalp is known as:
Pityriasis Capitis Simplex
Dandruff characterized by accumulated greasy or waxy scales mixed with sebum is:
Inflammations of the follicle caused by bacteria or irritation may be signs of:
Folliculitis or Pseudofolliculitis Barbae
Terms that refer to the development of excessive body or facial hair are:
Hypertrichosis, Superfluous Hair, & Hirsuties
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