Card Set Information

2012-02-02 00:49:06
Trichology II

Cosmetology: Trichology II
Show Answers:

  1. Why is it important to evaluate your client's hair?
    allows you to support their individual hair needs.
  2. The degree of coarseness or fineness in the hair fiber is?
    Hair Texture.
  3. What are the three textures of hair?
    • Fine
    • Medium
    • Coarse
  4. The number of active hair follicles per square inch on the scalp is?
    Hair Density
  5. What will the client's hair density determine when performing services?
    sub-section/parting sizes.
  6. The ability of hair to absorb moisture, liquids and chemicals is?
    Hair Porosity.
  7. Hair that is able to absorb the least amount of moisture, and has a closed cuticle is?
    Poor Porosity
  8. Hair with the normal ability to absorb moisture is?
    Good Porosity
  9. Combination of two or more different porosities is?
    Uneven Porosity
  10. What can cause extreme porosity?
    • Chemical Services
    • Environment
  11. The ability of hair to stretch and return to it's original shape without breaking is?
    Hair Elasticity
  12. How much can dry hair be stretched, how much can wet hair be stretched?
    • Dry: 20%
    • Wet: 40-50%
  13. How many layers of cuticle scales are on a hair strand?
    7-12 layers
  14. Another term for broken hair?
    Abraded Hair
  15. The most common type of cuticle damage?
    Abraded Cuticle
  16. What can cause abrasion?
    Friction on the hair strand.
  17. Is hair more fragile when wet or dry?
  18. What are the techincal names for split ends?
    Trichoptilosis; Fragilitis Crinium; brittle hair.
  19. What are ways to treat split ends?
    protein conditions temporarily seal; cut off split ends.
  20. Are repair treatments for split ends permanent or temporary?
  21. Matting: a mass of hair strands that cannot be separated is called what?
    Pilic Polonica
  22. Knotted Hair: lumps or swelling along the hair shaft is called what?
    Trichorrhexis Nodosa
  23. Physical Knotting of hair: caused by friction of the scalp is called what?
  24. The grayness or whiteness of the hair caused by aging, congenital, extended illness and nervous strain is called what?
  25. Alternating bands of gray and dark pigments on the same hair strand is called?
    Ringed Hair
  26. Abnormal coverage of hair on areas of the body where normally babyfine hair appears is called?
  27. Beads or nodules formed on the hair shaft is called?
  28. What causes mechanical damage to the hair?
    incorrect use of styling tools.
  29. What causes a melted cortex?
    • a dryer too close to the hair
    • curling iron left on too long
  30. Psoriasis: (disorder) thick crusty patches of red irritated scalp, refer to a physician. services allowed.
  31. Dandruff, excessive scalp flaking, (disorder), no treatment, services allowed.
  32. Dry dandruff, (disorder), dry flakes attached to the scalp or on the hair, treat with frequent medicated anti-dandruff shampoo. services allowed.
    Pityriasis Capitis Simplex
  33. Greasy/Waxy Dandruff, (disorder), oil flakes combine with sebum which stick to the scalp in clusters, yellowish in color. services allowed.
    Pityriasis Steatoides
  34. Ringworm, (disease). red circular patch of small blisters causes by a vegetable parasite. refer to physician. refuse service.
  35. Ringworm of the scalp, (disease). enlarged open hair follicles that are surrounded by clusters of red spots, hair breakage likely, possible visible black spots. refer to physician, refuse service.
    Tinea Capitis
  36. Honeycomb ringworm, (disease), dry, yellow encrusted areas on the scalp, may have peculiar odor, shiny pink or white scars may result. refer to physician, refuse service.
    Tinea Favosa/Favus
  37. Itch mite, (disorder), red and watery vesicles or pus-filled areas, caused by an animal parasite burrowing under the skin. refer to physician. refuse service.
  38. Head lice, (disorder), infestation of head lice on the scalp, causes itching and eventually an infection. refer to physician. refuse service.
    Pediculosis Capitis
  39. The leading cause of dandruff, is a naturally occuring microscopic fungus is what?
  40. What is alopecia?
    Excessive hair loss.
  41. Babyfine hair that covers the body and is shortly shed after birth is called?
  42. The hair that replaces lanugo; short fine, non pigmented hair, (more abundant on women), is called?
    Vellus Hair
  43. Long, thick, pigmented hair that replaces vellus hair on certain areas of the body during puberty (scalp and eyebrow hair) is called?
    Terminal Hair
  44. On average how many hairs are lost each day?
    40-100 strands
  45. Most common form of alopecia, permanent hair loss, caused by heredity, horomones and age is called?
    Androgenetic Alopecia
  46. Hair loss after childbirth that's caused from hair staying in the anagen phase longer during pregnancy is called?
    Postpartum Alopecia
  47. An autoimmune disease that results in sudden loss of hair in a few confined areas on the body, often temporary, without inflammation is called?
    Alopecia Areata
  48. Premature shedding of hair while in the resting (telogen) stage is called?
    Telogen Effluvium
  49. Hair loss due to repetitive traction on the hair by pulling and twisting is called?
    Traction/Traumatic Alopecia
  50. What referring to hair loss, what do pattern and density refer to?
    • Pattern: refers to the shape and location of the hair loss.
    • Density: refers to how much hair is covering the scalp are with the hair loss.
  51. What is the average number of hair per square inch on the head?
    1,000 strands per square inch
  52. What is the average number of hairs on the head for each hair color type?
    • RedHeads: ~90,000
    • Brunettes: ~110,000
    • Black: ~108,000
    • Blonde: ~140,000
  53. If a product is going to be marketed as being able to regrow hair or prevent hair loss, who must approve the product?