research Tactile innervation densities across the whole body
Young adults have about 230,000 tactile nerve fibers, decreasing 5-8% per decade with age.
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research Stress exposure modulates peptidergic innervation and degranulates mast cells in murine skin
Stress increases nerve fibers and immune cell activity in mouse skin, possibly worsening skin conditions.
research Hair matrix germinative epidermal cells confer follicle-inducing capabilities on dermal sheath and high passage papilla cells
Hair growth can be stimulated by combining certain skin cells, which can rejuvenate old cells and cause them to specialize in hair follicle creation.
research Multiscale modelling of human hair
Human hair becomes weaker and stretches more easily at higher temperatures.
research Neuropeptídeos na pele
Neuropeptides affect skin inflammation, repair, and hair growth, with potential for therapy.
research A Raman spectroscopic investigation of the mechanism of the reduction in hair with thioglycerol and the accompanying disulphide conformational changes
Thioglycerol treatment at pH 9.0 with ammonia causes less hair damage and better waving than thioglycolic acid.
research Lentiginosis within plaques of linear atrophoderma of Moulin: a twin-spotting phenomenon?
The document suggests a rare skin condition might be caused by a genetic phenomenon.
research Anagen hair follicles transplanted into mature human scars remodel fibrotic tissue
Transplanting growing hair follicles into scars can help regenerate and improve scar tissue.
research The existence of a linear system consisting of sympathetic endings in rat skin
Rat skin has a linear system of nerve fibers linked to hair follicles and muscles.
research Line‐field confocal optical coherence tomography: A new diagnostic method of lichen planopilaris
LC-OCT is an effective new method for diagnosing classic lichen planopilaris.
research From crown to cosmetics: Exploring the efficacy of an upcycled pineapple biopolymer in sustainable skincare, suncare and hair care applications
Upcycled pineapple biopolymer is effective and eco-friendly for skincare, suncare, and haircare.
research Cicatricial Alopecia with Particular Trichoscopic and Histopathological Features
The document concludes that a woman has both Frontal Fibrosing Alopecia and Lichen Simplex Chronicus, a previously unreported combination of conditions.
research Mast cell deficient and neurokinin-1 receptor knockout mice are protected from stress-induced hair growth inhibition
Certain mice without specific receptors or mast cells don't lose hair from stress.
research Controllable Production of Transplantable Adult Human High-Passage Dermal Papilla Spheroids Using 3D Matrigel Culture
Researchers created hair-inducing human cell clusters using a 3D culture method.
research "Curly" Wood and Tiger Tails
Tiger tail bands in hair are caused by wavy hair fibers with melanin, unlike straight fibers in normal hair.
research Diagnostic utility of dermatoscopy in hydroquinone‐induced exogenous ochronosis
Dermatoscopy can help identify hydroquinone-induced skin issues, avoiding invasive biopsies.
research Fractography of human hair
Moisture content significantly affects how human hair breaks.
research Trichorrhexis Nodosa Secondary to Argininosuccinicaciduria
Hair thinning and loss in a girl with a rare metabolic disorder was linked to her condition.
research Cuticle damage and the tensile properties of human hair
Cuticle damage doesn't affect hair's tensile strength; the cortex is responsible for it.
research Review of the current understanding of the effect of ultraviolet and visible radiation on hair structure and options for photoprotection
UV radiation and visible light can damage hair, but there are ways to protect it.
research Alopecia.
The document concludes that correct diagnosis of alopecia types is crucial, scalp biopsies are important, and more research is needed.
research Changes in structure and geometric properties of human hair by aging
Older people's hair becomes less shiny because it gets more uneven and curved.
research Investigation of aging effects in human hair using atomic force microscopy
Aging makes hair thinner and rougher, with less clear edges.
research Regeneration of Hair Follicles Is Modulated by Flightless I (Flii) in a Rodent Vibrissa Model
Flightless I protein affects hair growth, with low levels delaying it and high levels increasing hair length in rodents.
research The microanatomy of the distal arrector pili: possible role for α1β1 and α5β1 integrins in mediating cell‐cell adhesion and anchorage to the extracellular matrix
The arrector pili muscle attaches to the extracellular matrix using α5β1 integrin and connects muscle cells using α1β1 integrin.
research Fiber implantation for pattern baldness
Fiber implantation for pattern baldness was largely unsuccessful with many complications and is not recommended.
research Multiple Myeloma–Associated Amyloidosis Presenting With Acrolocalized Acquired Cutis Laxa
A man with rare skin changes on his fingers was diagnosed with multiple myeloma-linked amyloidosis.
research Controversy: Synthetic hairs and their role in hair restoration?
Synthetic hair fibers for hair restoration were controversial in 2009 due to health risks and lack of support from the International Society of Hair Restoration.
research Dermal Changes in Osteoporosis Following Prolonged Treatment with Human Growth Hormone
Human growth hormone treatment improved skin thickness and structure in osteoporosis patients.
research Sustained release of inhibitor from bionic scaffolds for wound healing and functional regeneration
Researchers developed a scaffold that releases a healing drug over time, improving wound healing and skin regeneration.