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The authors defended their methods for measuring hair density and caliber, emphasizing the need for consistent photography and manual counting for accuracy in evaluating hair loss treatments.
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research Morphological Changes in Human Scalp Hair Roots during Deprivation of Protein
Not eating enough protein can cause hair roots to shrink and lose color, and hair to become thinner.
research In Vitro Growth of Postembryonic Hair
research DERMOSCOPIC STUDY OF ANdrOGENIC ALOPECIA IN MEN
Dermoscopy shows that varying hair shaft thickness and single hair follicles are main signs of male pattern baldness, especially in the fronto-temporal region.
research Depth control in follicular unit excision: A new classification from a detailed analysis of 30 patients undergoing FUE technique for hair restoration
A new classification for depth control in hair restoration surgery was proposed, dividing it into three grades based on the depth required for successful graft extraction.
research Spatiotemporal Switches in Progenitor Cell Fate Govern Upper Hair Follicle Growth and Maintenance
research Impact of Finasteride and Dutasteride in Beard Thickness in Men With Androgenetic Alopecia: A 453-patient Retrospective Trial
Finasteride and dutasteride can increase beard thickness in men.
research Organization of microfibrils in keratin fibers studied by X-ray scattering
The study improved understanding of keratin fiber structure by showing consistent microfibril diameter but varying distances and electron density profiles.
research Clinical and macrophotographic study of the percutaneous implantation of synthetic hair (Nido SHI)
Synthetic hair implants can be used to cover small bald spots.
research Nucleation and growth of macrofibrils in trichocyte (hard-α) keratins
Sheet formation is key to macrofibril structure differences in wool.
research Androgenetic Alopecia
The document concludes that signs of male and female pattern baldness include uneven hair thickness, yellow spots, skin discoloration around hair follicles, more thin and soft hairs, and many hair follicles with just one hair.
research Association Between Scalp Laxity, Elasticity, and Glidability and Donor Strip Scar Width in Hair Transplantation and a New Elasticity Measuring Method
Higher scalp elasticity leads to wider scars after hair transplantation; a new method to measure elasticity may help predict scar size.
research [Effect of biotin on hair roots and sebum excretion in females with diffuse alopecia].
research Distributions of sulphur and other elements in human hair follicles
Sulphur in hair follicles increases from the bulb and then levels off, while other elements vary in distribution.
research The effect of autologous activated platelet-rich plasma injection on female pattern hair loss: A randomized placebo-controlled study
PRP injections improve hair density and thickness in women with hair loss.
research Morphological, Macromolecular Structure and Hair Growth
research Circle hairs are not rolled hairs
research Thymic Peptides Differentially Modulate Human Hair Follicle Growth
Different thymic peptides affect hair growth in various ways.
research Synthetic Hair Fiber Implantation: Fishing Lines on the Head
research Unruly hair
The document concludes that unruly hair can be congenital or acquired, often lacks specific treatments, and can be managed with oils and short hairstyles.
research African Hair
research Assessment of Follicular Unit Density in Asian Men with Androgenetic Alopecia
Asian men have varying hair densities, important for hair transplant success.
research In vitro methodology, hormonal and nutritional effects and fibre production in isolated ovine and caprine anagen hair follicles
Angora goat hair grows faster and produces more protein than cashmere goat hair, and certain hormones and nutrients positively affect hair growth and protein synthesis.
research Substance P prolongs human hair growth in vitro
Substance P helps hair grow longer and faster.
research Cross-section Trichometry: A Clinical Tool for Assessing the Progression and Treatment Response of Alopecia
The HairCheck® device is effective for measuring hair loss and growth in people with alopecia.
research The Influence of Surgical Stress on Human Scalp Hair Fiber Dimensions
Surgical stress temporarily changes hair fiber dimensions, returning to normal after four weeks.
research Canestick Lesion of Vellus Hair in Netherton's Syndrome
Recognizing the "bamboo hair defect" is crucial for diagnosing Netherton's syndrome.
research Single-cell sequencing reveals the new existence form of dermal papilla cells in the hair follicle regeneration of cashmere goats
Researchers discovered new cell types in goat hair follicles that could help understand hair regrowth and human hair loss.
research A rare hair loss in children: Monilethrix
Monilethrix is a rare, inherited condition causing fragile hair and hair loss, with no cure but some treatments may help.
research Temporal triangular alopecia
A 23-year-old man has a benign, non-progressive hair loss patch that doesn't respond to treatment but can be cosmetically treated.