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50 questions and answers for Trichology part of the written exam for beauty school students, cosmetologists, barbers, skin care therapists to pass the written test at state board of cosmetology and get their license. The test includes the hair structure, hair root and shaft, hair follicle, hair pigment melanin; Eumelanin and pheomelanin, hair loss; alopecia; androgenic alopecia, postpartum alopecia, hair and scalp disorders, disease: scabies: itch mite; Pediculosis: head lice; ringworm, canities: gray hair, congenital canities, ringed hair and the like; Hypertrichosis: unwanted terminal hair; hair growth phases: Anagen, Catagen, Telogen; hair conditions: Monilethrix, Trichoptilosis, Trichorrhexis Nodosa; Hair cuticle, cortex, and medulla. Video by BeautyHealthTravel Channel.