research Anomalous Fluorescence of White Hair Compared to Other Unpigmented Keratin Fibres
White hair has weaker tryptophan fluorescence than other unpigmented fibers, possibly due to UV exposure or unknown substances.
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30 / 280 resultsresearch Towards a “free radical theory of graying”: melanocyte apoptosis in the aging human hair follicle is an indicator of oxidative stress induced tissue damage
Oxidative stress causes hair to gray by damaging and killing pigment cells.
research Grey hair: clinical investigation into changes in hair fibres with loss of pigmentation in a photoprotected population
Grey hair is wilder, drier, and less manageable than pigmented hair.
research Interaction of Minoxidil with Pigment in Cells of the Hair Follicle: An Example of Binding without Apparent Biological Effects
Minoxidil binds to hair pigment but doesn't affect hair growth.
research Untersuchungen der Fremdstoffbindung in permanenten Keratinozyten- und Melanozyten-Zelllinien sowie die Eignung von Primärkulturen aus humanen Haarfollikeln zur In-vitro-Messung der Fremdstoffaufnahme im Haar
Unpigmented keratinocytes absorb substances faster, while melanocytes bind more strongly to melanin.
research Premature Graying as a Consequence of Compromised Antioxidant Activity in Hair Bulb Melanocytes and Their Precursors
Gray hair may be caused by lower antioxidant activity in hair cells.
research Extensive Hair-Shaft Elongation by Isolated Mouse Whisker Follicles in Very Long-Term Gelfoam® Histoculture
Gelfoam® histoculture supports long-term hair and nerve growth in mouse whisker follicles.
research Regenerating Hair Follicles
Healing skin wounds in mice can create new hair follicles, and adjusting Wnt signaling could potentially reduce scarring and treat hair loss.
research Colourless side of the nude mutation: Foxn1 and hair pigmentation
Foxn1 is essential for hair pigmentation by directing pigment transfer to hair cells.
research Fibroblast Growth Factor Influences the Development and Cycling of Murine Hair Follicles
bFGF delays hair growth in mice.
research Unleashing the Furry Beast: Exploring the Fascinating World of Hypertrichosis Lanuginosa
Hypertrichosis lanuginosa causes excessive fine hair growth, often linked to genetics or cancer, with limited treatment options.
research Comparative regenerative biology of spiny ( Acomys cahirinus) and laboratory ( Mus musculus) mouse skin
Spiny mice are better at regenerating hair after injury than laboratory mice and could help us understand how to improve human skin repair.
research Alopecia areata in a renal transplant recipient on cyclosporin
A kidney transplant patient on cyclosporin experienced unexpected severe hair loss, which improved with treatment adjustments.
research Androgens and human hair growth
Androgens can cause hair growth in some areas and hair loss on the scalp.
research Coordinated Activation of Wnt in Epithelial and Melanocyte Stem Cells Initiates Pigmented Hair Regeneration
Wnt signaling is crucial for pigmented hair regeneration by controlling stem cell activation and differentiation.
research The Hair Follicle: A Paradoxical Androgen Target Organ
Androgens can both promote and prevent hair growth due to differences in gene expression in hair follicles.
research Stress-sensing in the human greying hair follicle: Ataxia Telangiectasia Mutated (ATM) depletion in hair bulb melanocytes in canities-prone scalp
Hair greying is linked to reduced ATM protein in hair cells, which protects against stress and damage.
research Flavonoids with Two OH Groups in the B-Ring Promote Pigmented Hair Regeneration
Certain flavonoids help grow back colored hair after skin injury.
research Formulation and evaluation, comparison of herbal hair dye with marketed formulation
The herbal hair dye with a 1:2 henna to indigo ratio works well, is safe, and eco-friendly.
research PIGMENTATION OF HAIR ON TRANSPLANTED SKIN IN HOODED RATS
Transplanted skin on hooded rats often grows white hair instead of black.
research Hair Follicle Melanogenesis Reflected in Hair Pigmentation as a Developmental Factor in Alopecia Areata
Hair color is not a risk factor for developing alopecia areata.
research Gray Hair and Hair Strengthening: A Professional Guide for Hairdressers and Colorists
Gray hair requires special coloring techniques and care to maintain quality and strength.
research Study of Hair Patterns of species of Muridae Family from Amravati District, Maharashtra.
Muridae species have unique hair patterns specific to each genus and species.
research Mechanisms of Hair Graying: Incomplete Melanocyte Stem Cell Maintenance in the Niche
Hair graying is caused by the loss of pigment cells due to poor maintenance of stem cells in the hair follicle.
research Quantitation of normal human hair pigmentation by electron microscopy
Daily hair care may cause holes in hair fibers.
research Fully functional hair follicle regeneration through the rearrangement of stem cells and their niches
Regenerated fully functional hair follicles using stem cells, with potential for hair regrowth therapy.
research Human hair follicle organ culture: theory, application and perspectives
Human hair follicle organ culture is a useful model for hair research with potential for studying hair biology and testing treatments.
research Aging of the hair follicle pigmentation system
Hair grays due to oxidative stress and fewer functioning melanocytes.
research Control of Human Hair Growth by Neurotrophins: Brain-Derived Neurotrophic Factor Inhibits Hair Shaft Elongation, Induces Catagen, and Stimulates Follicular Transforming Growth Factor β2 Expression
Brain-Derived Neurotrophic Factor (BDNF) slows down hair growth and promotes hair follicle regression.
research Assessment of hair loss: clinical relevance of hair growth evaluation methods
Effective hair loss assessment requires a mix of precise measurement methods.