The flashcards below were created by user
celestefortier
on FreezingBlue Flashcards.
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Three Phases of Hair Growth
Anagen, Catagen, and Telogen
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Anagen
Growth phase - new hair is produced New cells are manufactured in the hair follicle. Hari cells are produced than any other normal cell int eh human body. Average is 1/2 inch per month.
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Does the rate of growth vary on different parts of the body - sex and Age
YES for all. Hair grows faster on different parts of the body. Women grow hair faster than men and hair grows rapidly between ages 15 and 30.
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90% of Hair growth in this Stage
Anagen
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How long does the average hair growth stage last?
3-5 years, but some cases it can last as long as 10 years. That's why some can grow hair to the floor while others only to their shoulders.
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Catogen
Brief phase between growing and resting. Only 1% of scalp hair is in the catagen phase at any one time. Lasts 1-2 weeks.
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Telogen
Resting Phase. Final phase and lasts until the fully grown hair falls our or is pushed out. Lasts 3-6 months.
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Average growth Cycle
Repeats itself 4-5 years.
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Hair Patterns
- Hair Stream = flowing in the same direction or opposite creating a natural part.
- Whorl = Hair forms a natural circlular pattern- usually the crown area
- Cowlick = Tuft of hair that stands staight up- usually in the front of the hairline
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