research Influence of Depigmenting Chemical Agents on Hair and Skin Color in Yellow (Pheomelanic) and Black (Eumelanic) Mice
Certain chemicals cause hair graying in black mice but not yellow mice.
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research Hair Pigmentation: A Research Update
Hair color is determined by different melanins and changes with age.
research Decreased Benzothiazole-Type Pheomelanin in Regrown Brown Hair in Alopecia Areata
The girl's regrown brown hair had less of certain pigments than her original black hair.
research Urethral Hair Bezoar Management With Transcutaneous Neodymium-Doped Yttrium Aluminum Garnet Laser Post-Hypospadias Repair: A Clinical Case
Using a laser to remove hair in the urethra after hypospadias repair is effective and minimally invasive.
research Melanocytes and Vitiligo and Hair Graying
Melanocytes produce melanin; their defects cause vitiligo and hair graying, with treatments available for vitiligo.
research From Hair Color to Diagnosis
Hair color is influenced by genetics and can indicate certain health conditions.
research The Murine Hair Follicle Is a Melatonin Target
Melatonin directly affects mouse hair follicles and may influence hair growth.
research Abstracts from the Symposium on the Pathophysiology of Hair Growth Organized by the Institute of Dermatology at the Royal Society of Medicine, 29 October 1987
The symposium concluded that hair growth involves complex processes, including the hair follicle life cycle, the role of the dermal papilla, hair strength, pigmentation, and the impact of diseases and treatments like minoxidil on hair and skin.
research Hair Follicle Pigmentation: Mechanisms and Factors Influencing Melanin Production
Hair color is determined by melanin produced and transferred in hair follicles.
research Circulating Testosterone and Feather-Gene Expression of Receptors and Metabolic Enzymes in Relation to Melanin-Based Coloration in the Barn Owl
Barn owls with smaller black spots have higher testosterone levels, which might be due to genetic effects on hormone regulation rather than hormone effects on coloration.
research Genome-Wide Association Study of Fiber Diameter in Alpacas
Certain DNA regions in alpacas are linked to fiber diameter.
research Metal Chelation Assisted Deposition of Polydopamine on Human Hair: A Ready-to-Use Eumelanin-Based Hair Dyeing Methodology
Polydopamine is a safe, effective, and permanent hair dye that turns gray hair black in one hour.
research Melanogenesis During the Anagen-Catagen-Telogen Transformation of the Murine Hair Cycle
Hair stops producing melanin as it transitions from the growth phase to the resting phase.
research Epidermal Pigmentation in the Human Lineage as an Adaptation to Ultraviolet Radiation
Forensic DNA Phenotyping can help predict physical traits from crime scene DNA to identify suspects.
research Influence of Pigmentation on the Codeine Content of Hair Fibers in Guinea Pigs
Darker hair in guinea pigs holds more codeine than lighter hair.
research Oral Zinc Sulphate Causes Murine Hair Hypopigmentation And Is A Potent Inhibitor Of Eumelanogenesis In Vivo
Oral zinc sulphate reduces dark hair color in mice.
research Human Skin Color: Origin, Variation, and Significance
Human skin and hair color variation is mainly due to melanin produced by a few genes, with melanin protecting against sun damage.
research Chemical And Physical Treatments Damage Caucasian And Afro-Ethnic Hair Fibre: Analytical And Image Assays
Chemical and physical treatments like bleaching, dyeing, and UV radiation damage both Caucasian and Afro-ethnic hair.
research HGF/SF Increases Number of Skin Melanocytes but Does Not Alter Quality or Quantity of Follicular Melanogenesis
HGF/SF increases skin melanocytes but doesn't change melanin type or amount.
research Piecing Together the Pigment-Type Switching Puzzle
The document concludes that MGRN1 affects mouse fur color by interfering with a receptor's signaling, but its full role in the body is still unknown.
research Sox2 in the Dermal Papilla Regulates Hair Follicle Pigmentation
Sox2 controls hair color by affecting pigment production in hair follicles.
research How Different Is Human Hair? A Critical Appraisal of Global Hair Fibre Characteristics and Properties Towards Defining a More Relevant Framework for Hair Type Classification
Human hair varies widely and should be classified by curl type rather than race.
research A Review of the Etiologies, Clinical Characteristics, and Treatment of Canities
Gray hair is caused by reduced melanin production or transfer issues, linked to aging and possibly health conditions, with treatments focusing on color camouflage.
research Melanogenesis-Promoting Effect of Cirsium Japonicum Flower Extract In Vitro and Ex Vivo
Cirsium japonicum flower extract increases melanin production and could help treat depigmentation conditions.
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 Hair
Hair analysis can detect drug use but is costly and interpretation is complex.
research The Mechanisms of Fur Development and Color Formation in American Mink Revealed Using Comparative Transcriptomics
The research found specific genes and pathways that control fur development and color in young American minks.
research Effect of Laser and Light-Based Systems on Hair Follicle Biology
Lasers can reduce hair growth but may also damage skin.
research Casein Kinase 1 Inhibition in Keratinocytes Enhances the Migration of Melanocyte Precursors in the Hair Follicle via KitL/c-Kit Signaling Pathway
Blocking casein kinase 1 in skin cells can help melanocyte precursors move better, potentially helping with conditions like vitiligo or gray hair.
research Pull Test and Trichogram
Physical exams are important in hair loss diagnosis, considering cosmetic history, systemic diseases, and classifying alopecia types.