research The Hair Pigmentation Unit and Hair Graying
Hair color is due to active pigment cells in hair during growth.
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research Functionally distinct melanocyte populations revealed by reconstitution of hair follicles in mice
Only skin melanocytes, not other types, can color hair in mice.
research BH21 Segmented heterochromia with calibre change: an under-recognized sign of alopecia areata
Segmented hair color changes can indicate active alopecia areata.
research How the leopard gets its spots: a transmembrane peptidase specifies feline pigmentation patterns
A gene called Taqpep affects cat coat patterns like stripes and blotches.
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 From hair colour to diagnosis
Hair color is influenced by genetics and can indicate certain health conditions.
research Partial Reversal of Canities in a 22-Year-Old Normal Chinese Male
A 22-year-old's gray hair partially turned back to its original color without known causes.
research Total melanonychia of 20 nails as a rare manifestation of vitamin B12 deficiency
Vitamin B12 deficiency can cause darkening of all nails.
research Difference Between Pigmented and Nonpigmented Skin
Skin diseases look different on pigmented and nonpigmented skin.
research Hair loss and bronze discoloration of the skin in lupus erythematosus
research Micropigmentation
Micropigmentation is a widely accepted tattooing technique for hiding cosmetic issues and medical uses, with permanent results and few side effects, but risks infection if not done with sterile tools.
research Fractional Resurfacing and Topical Bimatoprost for the Treatment of Laser Induced Postinflammatory Hypopigmentation on the Lower Extremities
The combination therapy improved skin pigmentation.
research Immunological Skin Diseases
Immunological skin diseases in pigs are rare and can be caused by immune system issues or external factors.
research Dermoscopic Features of Pili Annulati: Features of PA
Pili annulati causes zebra-striped hair but doesn't affect hair strength or quality of life.
research 1927 nm Thulium Laser Successfully Treats PostInflammatory Hyperpigmentation in Skin of Color
The 1927 nm Thulium laser effectively and safely treats postinflammatory hyperpigmentation in darker skin tones.
research Unmasking pseudopelade of Brocq in male adult: a rare case report
Early diagnosis of pseudopelade of Brocq in men is crucial to prevent permanent hair loss.
research Sudden whitening of the hair in an 82-year-old woman: the ‘overnight greying’ phenomenon
An 82-year-old woman's hair turned white suddenly, likely due to a rare form of alopecia that targets pigmented hair.
research Tyrosinase inhibition due to interaction of homocyst(e)ine with copper: the mechanism for reversible hypopigmentation in homocystinuria due to cystathionine beta-synthase deficiency.
Lowering homocyst(e)ine levels can reverse skin and hair lightening by restoring enzyme activity needed for pigmentation.
research Sox2 in the dermal papilla regulates hair follicle pigmentation
Sox2 controls hair color by affecting pigment production in hair follicles.
research Nevus comedonicus in a Malay man: A case report and review of literature
A 25-year-old Malay fireman had skin bumps on his neck that were removed successfully after other treatments failed.
research Canities Subita after Extreme Trauma Showing Positive Staining for Anti-PD-L1 Antibodies: A New Clue into Etiopathogenesis?
Sudden hair whitening may be linked to immune system activity.
research Circulating testosterone and feather-gene expression of receptors and metabolic enzymes in relation to melanin-based colouration 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 CPC14 Blaschko-linear trichoepitheliomas: unveiling type 1 segmental mosaicism
A rare skin condition in a boy is likely due to a specific genetic mutation pattern.
research Beyond the Epidermal-Melanin-Unit: The Human Scalp Anagen Hair Bulb Is Home to Multiple Melanocyte Subpopulations of Variable Melanogenic Capacity
The human scalp has different types of pigment cells in hair follicles with varying abilities to produce pigment.
research Clinical, Dermoscopic and In-Vivo Reflectance Confocal Microscopy Evaluation of a Case of Graham Little-Piccardi-Lassueur Syndrome Successfully Treated with Narrowband-UVB Phototherapy
Narrowband-UVB phototherapy successfully treated a rare case of Graham Little-Piccardi-Lassueur syndrome.
research Acitretin-Induced Repigmentation of Gray Hair: A Case Report
Acitretin treatment unexpectedly darkened a patient's gray hair.
research Novel mutation in PTCH1 gene in a patient with basal cell nevus syndrome and uterus bicornis
research Hyperpigmentation and Melasma
Hyperpigmentation is common in pregnancy and may not fully fade after birth; melasma, also frequent, can persist but has limited treatment options during pregnancy.
research Poster Exhibits
Spanish speakers with limited English search most for "pigmentation/dark spots."
research Ectopic acanthosis nigricans at a post-syndactyly surgical site: An unusual reactive epidermal phenomenon
Ectopic acanthosis nigricans can occur at surgical sites due to skin graft mismatches.