Why Study?
Why is it important for cosmetologists to understand hair and scalp disorders?
To recognize what is treatable in the salon and what should be referred to a healthcare provider.
The partial or complete loss of hair where it normally grows is called what?
Alopecia.
Name one FDA-approved product for hair growth.
Minoxidil or Finasteride.
What is the technical term for gray or white hair?
Canities
What fungus causes dandruff?
Malassezia
Name one infection control responsibility related to hair/scalp conditions.
Turning away clients with contagious scalp conditions and referring them to a physician.
Which type of alopecia is autoimmune and causes patchy hair loss?
Alopecia Areata
Minoxidil is applied in what way?
Topically to the scalp
Ringed hair has what unique feature?
Alternating bands of pigmented and gray hair
Pityriasis capitis simplex vs. pityriasis steatoides → what’s the difference?
Simplex = classic dandruff, large dry flakes; Steatoides = severe greasy scales with sebum, may cause seborrheic dermatitis.
How does identifying common vs. irregular hair loss help cosmetologists?
It helps them recommend appropriate treatments or referrals.
What is postpartum alopecia, and when does it usually happen?
Temporary hair loss after pregnancy; occurs 1–5 months after delivery and lasts 6–12 months.
Why isn’t finasteride prescribed for people who may become pregnant?
It can cause birth defects in a male fetus
What is the technical term for split ends?
Trichoptilosis
What is the technical term for ringworm?
Tinea
What is the cosmetologist’s role if a client has a condition they cannot treat?
Do not perform the service and refer the client to a healthcare provider.
What is the difference between male and female pattern hair loss?
Male → horseshoe-shaped baldness; Female → thinning over crown, top, and temples.
What is the most common permanent surgical hair replacement method?
Hair transplant
Monilethrix gives hair what appearance?
Beaded appearance due to narrowing of the shaft
Name one parasitic infection of the scalp.
Scabies or Pediculosis Capitis (head lice).
Why might hair/scalp conditions be a sensitive subject for clients?
Hair loss is linked to lower self-esteem and confidence; clients may feel embarrassed.
Define alopecia totalis and alopecia universalis.
Totalis = loss of all scalp hair
Universalis = loss of all body and scalp hair.
Name 2 non-medical options cosmetologists can recommend for hair loss.
Wigs, toupees, hair weaves, or extensions.
Define Fragilitas Crinium.
Brittle hair that splits or breaks anywhere on the strand
Which bacterial infection presents as boils in clusters?
Carbuncles