research Bubble hair
Bubble hair deformity may be caused by hair shaft trauma and can improve with gentle hair care.
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research Alopecia in a 19-Month-Old Boy
A 19-month-old boy with a rare hair disorder showed mild improvement with treatment, but his family chose gentle hair care due to limited success.
research Hair That Is Difficult to Manage in a Hispanic Girl
A 9-year-old Hispanic girl has Uncombable Hair Syndrome, which may improve with age and biotin treatment.
research A case of acquired trichorrhexis nodosa after applying new hair spray
New hair spray caused a hair shaft disorder.
research Characterization of Hair Follicles in Hirosaki Hairless Rats with Deletion of Basic Hair Keratin Genes. Enlarged Medulla, Loss of Cuticle and Long Catagen
Hirosaki hairless rats have sparse, twisted hair due to missing hair keratin genes.
research Structural abnormalities of the hair shaft
The document concludes that understanding hair structure is key to diagnosing hair abnormalities and recommends gentle hair care for management.
research Investigation of human hair fibers using lateral force microscopy
Hair treatments like bleaching increase friction by exposing tiny pores on the hair surface.
research An Improved Method for the Histological Preparation of Single Hairs and Dust Samples—Morphological and Immunological Examination
A new method accurately determines hair blood type and can be used on dust samples.
research Effects of permanent waving on changes of protein and physicomorphological properties in human head hair.
Repeated digital perming with sodium thioglycolate lotion significantly damages hair protein and structure.
research Hair Keratin: Composition, Structure and Biogenesis
research Hot comb alopecia
Using hot combs can cause permanent hair loss on the scalp's crown.
research Experiment study of human hair keratin transplanted to adult rat after spinal cord injury
Human hair keratin may help repair spinal cord injuries.
research A method to measure oil penetration into hair and correlation to tensile strength
Type 3 hair oil strengthens hair more than coconut oil.
research Collagen immobilization onto the surface of artificial hair for improving the tissue adhesion
Modified artificial hair with collagen improves tissue adhesion and is safe for long-term use.
research Hair follicle aging is driven by transepidermal elimination of stem cells via COL17A1 proteolysis
Hair loss and aging are caused by the breakdown of a key protein in hair stem cells.
research Disorders of the hair and scalp.
The document concludes that while some hair and scalp disorders can be treated, hair loss from destroyed follicles is permanent, and damaged hair can only regrow naturally.
research Keratin 71 Mutations: From Water Dogs to Woolly Hair
A mutation in the KRT71 gene causes a hair disorder by disrupting hair follicle structure and texture.
research African hair morphology: macrostructure to ultrastructure
African hair is more fragile due to its unique shape and internal structure.
research [Various changes in hair structure with different amounts of vitamin A in the diet].
research Trichohyalin: A structural protein of hair, tongue, nail, and epidermis
research Carbon-13 n.m.r. studies of keratin intermediate filament of human hair
Human hair keratin has a 40% α-helix structure that changes to a random coil in 8 M urea.
research Age, lifestyle and self‐perceptions of hair: Is there an association with hair diameter and tensile properties?
Older age and certain lifestyles are linked to thinner, weaker hair, while how you see your hair relates to its thickness.
research Development of a stiffness‐angle law for simplifying the measurement of human hair stiffness
Hair stiffness increased by 13.2% after caffeine treatment, validating the Stiffness-Angle Law as an effective measurement method.
research “Castor Oil” – The culprit of acute hair felting
Castor oil can cause severe hair matting.
research HUMAN HAIR KERATIN PROTEIN, HAIR FIBERS AND HYDROXYAPATITE (HA) COMPOSITE SCAFFOLD FOR BONE TISSUE REGENERATION
research Rescuing key native traits in cultured dermal papilla cells for human hair regeneration
Conditioned medium from keratinocytes can improve hair growth potential in cultured dermal papilla cells.
research Enhancement of In Vitro Hair Shaft Elongation in Follicles Stored in Buffers That Prevent Follicle Cell Apoptosis
Storing hair follicles in a special buffer with certain inhibitors can increase hair growth and improve transplant results.
research Characterization of surface deposits on human hair fibers
research Hair morphogenesisin vitro: formation of hair structures suitable for implantation
Scientists created early-stage hairs from mouse cells that grew into normal, pigmented hair when implanted into other mice.
research Dual Case Reports for Lipid Loss from Human Hair
Changing hair's surface and structure can help protect its natural oils from being washed away.