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 Cyclic Cushing Syndrome Caused By An ACTH-Producing Pheochromocytoma
A woman's cyclic Cushing syndrome was caused by a tumor in her adrenal gland that produced ACTH.
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 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 Endocrine-Skin Interactions
Hormone imbalances can cause specific skin changes, which may help in early detection of endocrine disorders.
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 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 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 Pull Test and Trichogram
Physical exams are important in hair loss diagnosis, considering cosmetic history, systemic diseases, and classifying alopecia types.
research Agent: Minoxidil
Minoxidil helps lower severe blood pressure and promotes hair growth but can have serious side effects and must be used continuously.
research Transgenic Endothelin 3 Regulates Murine Pigment Production and Coat Color
The gene Endothelin 3 makes mice's fur darker by increasing pigment cells and pigment levels.
research Growth Inhibition and Transient Temperature Measurement of Laser-Irradiated Hair Fibers and Follicles
Laser treatment can inhibit hair growth and different hair colors reach different temperatures when lasered.
research The Potential Impact of Melanosomal pH and Metabolism on Melanoma
Melanin may help melanoma cells grow by aiding their metabolism.
research Multipotent Neural Crest Stem Cell-Like Cells from Rat Vibrissa Dermal Papilla Induce Neuronal Differentiation of PC12 Cells
Rat whisker cells can help turn other cells into nerve cells and might be used to treat brain injuries or diseases.
research Side Effects of Low-Dose Oral Minoxidil for Treating Alopecia
Low-dose oral minoxidil can be effective for hair loss but should be avoided in people with certain heart conditions and severe liver problems.
research Scalp Hair Repigmentation in the Penumbral Region of Radiotherapy: A Case Series
Radiotherapy can cause rare changes in hair color, which should be discussed with patients.
research Diabetes, Ovarian Tumor, Hyperparathyroidism, and Papillary Cancer: A Chance Association?
The woman's rare combination of diseases suggests an unknown factor may predispose individuals to multiple endocrine diseases.
research The Human Hair: From Anatomy to Physiology
The document concludes that hair is complex, with a detailed growth cycle, structure, and clinical importance, affecting various scientific and medical fields.
research Production of Mannosylerythritol Lipids and Their Application in Cosmetics
Mannosylerythritol lipids are good for skin and hair care products.
research Pharmacological BACE1 and BACE2 Inhibition Induces Hair Depigmentation by Inhibiting PMEL17 Processing in Mice
Blocking BACE1 and BACE2 enzymes causes hair color loss in mice.
research Black Women's Hair: The Main Scalp Dermatoses and Aesthetic Practices in Women of African Ethnicity
Black women's unique hair characteristics and styling practices can lead to specific scalp conditions, which require early diagnosis and appropriate treatment.
research Activation of Fibroblast and Papilla Cells by Glycolipid Biosurfactants, Mannosylerythritol Lipids
MEL-A from soybean oil can boost fibroblast and papilla cells, potentially aiding hair growth.
research Sunscreens and Hair Photoprotection
Hair sunscreens are important for maintaining hair's cosmetic value.
research The Removal of Unwanted Hair Using a Ruby Laser
Ruby laser hair removal significantly reduces hair density.