research Failure of intercellular adhesion in hair fibers with regard to hair condition and strain conditions
Hair breaks differently when wet or dry and is affected by its condition and treatments like perms and bleaching.
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420-450 / 1000+ results research Cyclic combing of untreated and bleached human hair: Analysis of the time‐dependent breakage of hair through recording the formation of fibre fragments
Friction causes hair breakage during combing, and fragment count predicts hair strength.
research Hair Shaft Disorders
Hair shaft disorders cause fragile, brittle, and abnormal-looking hair.
research ‘Plica neuropathica’: Matting of Hair
A girl's severely tangled hair couldn't be fixed and had to be cut due to a rare condition called plica neuropathica.
research Hair fragility (trichorrhexis nodosa) in alopecic Pomeranian dogs
Trichography is important for diagnosing hair fragility in Pomeranian dogs with hair cycle issues.
research Hair Weathering
Avoid chemical and physical damage to protect hair.
research Histopathological and Ultrastructural Study of Ectodermal Dysplasia/Skin Fragility Syndrome
The study concluded that PKP1 is essential for skin integrity and hair growth, and its dysfunction causes the symptoms of ectodermal dysplasia/skin fragility syndrome.
research Corkscrew Hairs in Trichoscopy of Trichotillomania
Corkscrew hairs can help diagnose trichotillomania.
research Trichotillomania associated with the "Friar Tuck sign" and nail-biting.
Trichotillomania can be identified by a "Friar Tuck sign" and nail-biting.
research Frictional alopecia of the distal legs: case series and review
Friction from socks or shoes can cause long-lasting hair loss on lower legs.
research Clinical Signs of Hair Damage
Hair damage shows as fragility, dullness, and discoloration, varies by ethnicity, and is worsened by cosmetic procedures and diseases.
research Outer root sheath keratinization in anagen and catagen of the mammalian hair follicle. A seventh distinct type of keratinization in the hair follicle: trichilemmal keratinization.
Trichilemmal keratinization is a unique process in hair follicles where the outer root sheath turns into keratin without a specific layer.
research Pili Trianguli et Canaliculi Is a Defect of Inner Root Sheath Keratinization
The hair defect is due to abnormal inner root sheath keratinization.
research Cutaneous Ultrastructural Features of the Flaky Skin (fsn) Mouse Mutation
The flaky skin mouse mutation is a natural model for studying human psoriasis.
research Loose anagen hair of childhood: The phenomenon of easily pluckable hair
Children with loose anagen hair have easily pluckable hair due to root sheath problems, and it might improve without treatment.
research Hypotrichosis and nail dysplasia: A novel hidrotic ectodermal dysplasia
A 3-year-old girl has a rare condition causing sparse hair and nail issues, with minimal improvement from treatment.
research Peculiar hypertrichosis in a patient affected by frontal fibrosing alopecia with pseudo "fringe sign"
A woman with frontal fibrosing alopecia experienced unusual hair growth after using a specific topical lotion.
research 3P343 Change of cell membrane complex of a hair fiber caused by hair damage
Chemical treatments damage hair more than UV exposure, making it thinner and less flexible.
research FOXN1 Is Critical for Onycholemmal Terminal Differentiation in Nude (Foxn1nu) Mice
The Foxn1 gene is essential for normal nail and hair development.
research Frictional Alopecia in a Child: An Uncommon Presentation of Lower Limb Hair Loss
A 6-year-old boy's leg hair loss was due to friction from sitting cross-legged, and it usually resolves on its own.
research The structure of the cornified claw sheath in the domesticated cat (Felis catus): implications for the claw‐shedding mechanism and the evolution of cornified digital end organs
Cat claws stay sharp by shedding their outer layer through microcracks formed during activities.
research Female Hair Thinning
research Issue Information
Aging causes hair thinning in women due to changes in the scalp environment.
research Trichotillomania
Trichotillomania is a condition where people repeatedly pull out their hair, which can be triggered by stress and has various physical signs.
research A Unique Case of Trichorrhexis Nodosa—"Bamboo Hairs"
A 4-year-old girl has a rare hair condition causing fragile, short hair.
research Abnormal fingerprints and immigration delay disease
Many adult women experience unexplained excessive hair shedding, often starting before age 40.
research 855 Targeted deletion of crif1 in mouse skin epidermis impairs skin homeostasis
Removing the Crif1 gene in mouse skin disrupts skin balance and hair growth.
research Hair dysplasias
Hair dysplasias involve various hair disorders causing fragility, breakage, and poor hair adhesion.
research KERATOSIS FOLLICULARIS WITH UNUSUAL INVOLVEMENT OF THE SCALP
A rare case of severe scalp hair loss and nail issues in keratosis follicularis was observed.
research Skin diseases
Skin ages and changes due to sun, wind, and aging, causing dryness, thinning, and hair loss.