Chapter 8Chapter 8

Disorders of the Hair that can Disorders of the Hair that can be treated in the salonbe treated in the salon

Canities Canities

• Technical term of gray hairTechnical term of gray hair– Cause: loss of natural pigment in hairCause: loss of natural pigment in hair

• Congenital canitiesCongenital canities– Exists at or before birthExists at or before birth– Occurs in albinos mostly, occasionally in Occurs in albinos mostly, occasionally in

persona with normal hairpersona with normal hair• Acquired canitiesAcquired canities

– Due to old age; onset may occur prematurely Due to old age; onset may occur prematurely in early adult lifein early adult life

– CAUSE: WORRY, ANXIETY, NERVOUS STRAIN, CAUSE: WORRY, ANXIETY, NERVOUS STRAIN, PROLONGED ILLNESSPROLONGED ILLNESS

Disorders of the HairDisorders of the Hair

• Ringed hairRinged hair– Alternate bands of gray and dark hairAlternate bands of gray and dark hair

– Hypertrichosis Hypertrichosis • Also known as hirsuties, Also known as hirsuties, • Means superfluous hairMeans superfluous hair• Characterized by the growth of Characterized by the growth of

terminal hair in areas of body terminal hair in areas of body that normally only grow that normally only grow vellus hairvellus hair

• TREATMENT: tweeze or remove by TREATMENT: tweeze or remove by depilatories, electrolysis, shaving or epilationdepilatories, electrolysis, shaving or epilation

Disorders of the HairDisorders of the Hair

• TrichoptilosisTrichoptilosis– Split hair endsSplit hair ends– TREATMENT: TREATMENT:

conditioning to lubricate conditioning to lubricate and soften ends and soften ends & cutting& cutting

Disorders of the HairDisorders of the Hair

• Trichorrhexis NodosaTrichorrhexis Nodosa

• Knotted hairKnotted hair• Dry, brittle condition; including formation of nodular Dry, brittle condition; including formation of nodular

swelling along hair shaftswelling along hair shaft• Hair breaks easily which creates a brush-like spreading Hair breaks easily which creates a brush-like spreading

of fibers along the hair shaftof fibers along the hair shaft• TREATMENT: softening the hair with conditioners and TREATMENT: softening the hair with conditioners and

moisturizersmoisturizers

Disorders of the HairDisorders of the Hair

• Monilethrix Monilethrix – Beaded hairBeaded hair– Breaks between the beads or nodesBreaks between the beads or nodes– TREATMENT: scalp & hair conditioningTREATMENT: scalp & hair conditioning

• Fragilitas CriniumFragilitas Crinium– Brittle hair that causes splittingBrittle hair that causes splitting– TREATMENT: hair and scalp condititoningTREATMENT: hair and scalp condititoning

Summary Summary

• The hair disorders that can be The hair disorders that can be treated in the salon are:treated in the salon are:

• CanitiesCanities• Ringed hairRinged hair• HypertrichosisHypertrichosis• TrichoptilosisTrichoptilosis• Trichorrhexis nodosaTrichorrhexis nodosa• MonilethrixMonilethrix• Fragilitas criniumFragilitas crinium