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The authors observed that the patterned melanoderma on the hairless scalp of fair-skinned Caucasian men with androgenic alopecia resembled similar patterns seen on facial skin.

This case report describes two instances of hyper-pigmentation induced by prolonged misuse of Betnovate cream, where cessation and appropriate treatment led to significant improvement within 15 days.

This study found that hyperpigmentation following contact immunotherapy for severe alopecia areata may indicate poor treatment responsiveness and aligns with characteristics of pigmented contact dermatitis.

This article reviews drug-induced pigmentation and reports no new clinical findings, highlighting difficulty in confirming drug associations due to factors like delayed onset and polypharmacy.

This article discusses scalp micropigmentation as a noninvasive method to conceal various forms of hair loss and scalp abnormalities and reports no clinical results; the authors highlight its safe and effective application.

This study found that pigmentation following sclerotherapy is likely caused by hemosiderin deposition from red blood cells rather than post-inflammatory hyperpigmentation, with most cases resolving spontaneously within 6–24 months.

This article discusses localized repigmentation of hair, suggesting it may be an indicator of underlying melanoma, and emphasizes the need for careful diagnostic evaluation.

This case report details the lack of confluent repigmentation in an 8-year-old girl with vitiligo after three years of trioxsalen and ultraviolet light treatment.

This case report documents a patient experiencing paradoxical depigmentation of the periocular skin after one year of using latanoprost, a finding not previously associated with this medication.

This review discusses the clinical characteristics, causative factors, and treatment options for vitiligo and reports no new research findings.

This review discusses the potential relationship between lichen planus pigmentosus and frontal fibrosing alopecia, presenting a case study but reporting no new clinical findings.

Repigmentation in vitiligo may come from melanocyte stem cells in the skin.

This study found that a combination of dermatoscopy and reflectance confocal microscopy assists in accurately diagnosing pigmented prurigo, which is often misdiagnosed due to its varied clinical manifestations.

Treatments for melanin disorders exist, but more effective options needed.

This case report highlights a 40-year-old Indian male diagnosed with follicular vitiligo, presenting as graying hair and depigmented patches, and emphasizes the importance of distinguishing this rare variant from similar conditions like alopecia areata due to its unique presentation.

This report describes two cases of sustained hair repigmentation related to porphyria cutanea tarda, though the underlying mechanism remains unclear.

This case report describes a unique occurrence of alopecia totalis resulting in pigmented hair growth over superficial scalp veins in an adult female using augmented betamethasone dipropionate ointment.

This review explores differences in the expression of skin diseases between pigmented and nonpigmented skin, discussing existing knowledge without presenting new clinical findings.

This case report details a 21-year-old woman with dermatopathia pigmentosa reticularis, presenting with generalized reticulate hyperpigmentation, diffuse noncicatricial alopecia, onychodystrophy, palmoplantar keratoderma, and poorly developed dermatoglyphics.

A woman with severe hair loss regrew mostly white hair after treatment.

Minoxidil 5% caused skin discoloration in a man using it for hair loss.

In this case report, a 20-year-old man with a birthmark was identified as having a supernumerary nipple, a developmental anomaly, using dermoscopy to distinguish it from other pigmented skin lesions such as melanocytic nevus or basal cell carcinoma.

This study suggests that Foxn1 expression in keratinocytes influences pigmentation in mice, highlighting differences in the molecular mechanisms between mouse and human pigmentation processes.

This study found that micropigmentation effectively improved the cosmetic appearance of scalp and eyebrow scars in 94% of patients, with the pigments remaining safely in the superficial dermis after one year.

This study reports that micropigmentation with iron oxide pigments is a safe and effective method for camouflaging scalp scars.

This article discusses the importance of integrating clinical observations with laboratory research, emphasizing the need for clinicians to collaborate with researchers to address medical problems.

In this study, the researchers found that trichoscopy can effectively visualize scalp micropigmentation, identified by homogenous, grey to black circular dots similar to closely cut hair, potentially reducing the need for invasive procedures.

This review describes the expanding medical uses of micropigmentation, including for vitiligo, burn scars, and nipple-areola reconstruction, and highlights safety concerns related to sterilization practices.

This narrative review reports that scalp micropigmentation offers immediate cosmetic improvements in hair density appearance, but does not promote actual hair regrowth and results vary based on the operator's skill.