Trichology is the study of the hair and scalp. The term derives from Ancient Greek θρίξ (thríx), "hair" and -λογία -logia. In most jurisdictions the title of a trichologist, not the field of trichology, is considered a para-medical discipline.

Trichology is the study of the hair and scalp.[1] The term derives from Ancient Greek θρίξ (thríx), "hair"[2] and -λογία -logia. In most jurisdictions the title of a trichologist, not the field of trichology, is considered a para-medical discipline.[1]

The Institute of Trichologists was founded in 1902.[3][4] The first journal for the field, International Journal of Trichology, was founded in 2009.[5]

Diseases

  • Alopecia
    • Alopecia areata
    • Alopecia universalis
    • Frictional alopecia
    • Frontal fibrosing alopecia
    • Loose anagen syndrome
    • Pattern hair loss (Androgenic alopecia)
    • Scarring and non scarring hair loss
  • Hair colour
    • Canities subita
    • Premature greying of hair
  • The hair root & hair follicle disorders
    • Telogen effluvium
    • Trichostasis spinulosa
  • Hirsutism
    • Trichomegaly
  • Pathogenic
    • Microsporum audouinii
    • Piedraia hortae
    • Tinea capitis
    • Trichobacteriosis axillaris

Diagnosis

  • Blood test
    • Vitamin deficiency
  • Hair analysis
    • Scalp Biopsy
  • Hamilton–Norwood scale & Ludwig scale
  • Trichoscopy

Subspecialties

Trichology includes subspecialties that deal either with certain diseases or diseases of certain parts of the hair. Some of them are:

  • Hair cloning
  • Hair removal

Cosmetic

  • Hair care
    • Curly Girl Method
  • Hygiene
    • Dry shampoo

Treatment

  • Collagen induction therapy
    • Microneedling
  • Low-level laser therapy
  • Platelet-rich plasma
  • Oral or topical pharmaceuticals
    • Antiandrogen or 5α-Reductase inhibitor’s
      • Dutasteride, Finasteride
    • Antifungal
      • Ketoconazole
    • Antihypertensive
      • Minoxidil

Trichology community