research Reversible Facial Hyperpigmentation Associated With Vitamin B12 Deficiency
Vitamin B12 deficiency can cause facial dark spots that go away with treatment.
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research Enhanced Differentiation Potential of Pigmented Human Epidermal Equivalents
PmtHEE is a better model for studying pigmented skin because it includes melanocytes and shows improved cell differentiation.
research Hair and nail disorders
Hair and nail disorders can cause changes in scalp pigmentation, especially with sun exposure and alopecia.
research Topobiology of Human Pigmentation: P-Cadherin Selectively Stimulates Hair Follicle Melanogenesis
P-cadherin is crucial for hair follicle pigmentation but not skin pigmentation.
research Postinflammatory hyperpigmentation: a common but troubling condition
Postinflammatory hyperpigmentation causes dark skin patches and needs personalized treatment.
research Diphenylcyclopropenone: An Important Agent Known to Cause Depigmentation / Reply
research A Comprehensive Review on Skin Pigmentation-Types, Causes, and Treatment
Skin pigmentation varies due to genetics, UV exposure, and medications, with treatments available but requiring medical advice.
research Reversible Hyperpigmentation: A Diagnostic Dilemma
Vitamin B12 deficiency can cause reversible skin darkening.
research Oral Pigmentation as a Sign of Addison’s Disease: A Brief Reappraisal
Oral pigmentation can be a sign of Addison's disease.
research Drug-induced hair pigmentation: Clinical perspectives and updates
Certain drugs can change hair color, either lightening or darkening it.
research Origin, Clinical Presentation, and Diagnosis of Facial Hypermelanoses
Facial dark spots can be caused by the sun, genetics, makeup, or medicine, and are diagnosed by patient history and skin tests.
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.
research Lichen planus pigmentosus and lichen planopilaris
Some people with lichen planus pigmentosus might later develop frontal fibrosing alopecia.
research Patchy alopecia areata sparing gray hairs: a case series
Patchy alopecia areata can affect only pigmented hairs, leaving gray hairs untouched.
research Vitiligo
Vitiligo causes white skin patches but can be treated in many ways.
research 267 Deep phenotyping of patients with xeroderma pigmentosum and trichothiodystrophy
Deep phenotyping helps distinguish between xeroderma pigmentosum and trichothiodystrophy, aiding in diagnosis and treatment.
research Reversible cutaneous hyperpigmentation and nails with white hair due to vitamin B12 deficiency.
Vitamin B12 deficiency can cause skin darkening and white hair, but it's reversible.
research Dermatopathia pigmentosa reticularis: A rare reticulate pigmentary disorder
Dermatopathia pigmentosa reticularis causes skin discoloration, hair loss, and nail problems.
research Follicular vitiligo: A rare clinical variant of a common entity
Follicular vitiligo causes hair to gray without skin color loss.
research An approach to disorders of pigmentation
The document concludes that pigmentation disorders in animals involve complex interactions between melanocytes and keratinocytes.
research Amelanocytic Anhidrotic Alopecia Areata-like Phenotype After Allogeneic Hematopoietic Cell Transplant
The immune system can cause permanent skin and hair whitening by attacking pigment cells.
research Hypopigmentation in frontal fibrosing alopecia
FFA patients have fewer melanocytes and thinner skin compared to others.
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 Localized Hair Repigmentation in a 91-Year-Old Woman
A 91-year-old woman's hair turned black in one spot, with skin changes underneath.
research Genetic Basis of Pigmentation and Its Disorders
Understanding genes can help diagnose and treat skin color disorders.
research Pigmented contact dermatitis due to therapeutic sensitizer as complication of contact immunotherapy in alopecia areata
Some patients with severe alopecia areata developed skin darkening from their treatment, which may indicate a less effective response to the therapy.
research Poliosis circumscripta: Overview and underlying causes
Poliosis circumscripta is a patch of white hair caused by lack of melanin, linked to genetic and acquired conditions.
research The Peripheral Clock Regulates Human Pigmentation
Certain genes control the color of human hair by affecting pigment production.
research Subclinical speckled perifollicular melanosis of the scalp.
The scalp has a natural speckled pattern of increased pigment around hair follicles, possibly linked to local hormone production.
research Lichen planus pigmentosus: a clinico‐pathological study in a Caucasian population from North Africa
Lichen planus pigmentosus mainly affects middle-aged women with darker skin, is underreported, and is hard to treat.