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This article reviews scalp micropigmentation techniques for camouflaging scalp scars and alopecia, emphasizing the principles and skills required to achieve a natural appearance, but it reports no new clinical results.

This study found that transgenic expression of Endothelin 3 in mice can maintain a dark pigmentation phenotype independently of Mc1r signaling by regulating melanogenic genes.

Tattooing improves appearance of scalp alopecia and scars.

Rituximab treatment led to complete hair regrowth and improved skin in a woman with pemphigus foliaceus.

This study investigated novel genetic tools to manipulate hair follicle compartments in mice and found that altering dermal papilla genes can significantly impact hair pigmentation.

The studies reviewed found favorable treatment outcomes for hypopigmented scars using PGF2α agonists with no adverse events reported. However, the authors highlight the need for larger randomized controlled trials to better understand their effectiveness and long-term safety.

In this study, full-thickness wounding on Lanyu pigs led to scar formation and disrupted cell markers, while partial-thickness wounding allowed limited regeneration of rete ridges and papillary dermis.

Hair follicle-derived melanocyte transplant could effectively treat vitiligo by restoring skin color.

This review discusses the interactions between melanocyte stem cells and their niche in hair regeneration and repair, but reports no new results; recent studies on molecular pathways are highlighted.

This animal study observed that while topical MBEH and intraperitoneal phenol induced hair graying in eumelanic mice, they had little effect on pheomelanic mice, and amcinonide reduced certain epidermal melanocytes in both.

Imiquimod improved skin pigmentation in most patients with xeroderma pigmentosum and may prevent further skin cancer, but some treatments can have side effects.

This editorial reviews how photobiomodulation therapy might effectively treat both hyperpigmentation and depigmentation skin disorders, but reports no new clinical results.

Cyclosporine can reverse hair graying.

This case report describes three Iranian men with gradual reddish-brown pigmentation on their cheeks and preauricular areas since childhood, unresponsive to sunblocks and topical steroids.

This review explores recent findings on the roles of melanocyte and melanocyte stem cells in the hair follicle, highlighting their importance for skin health and potential applications in regenerative medicine, but reports no new clinical results.

The document suggests a bacteria plays a significant role in acne rosacea and that white hair can regain color after transplant, meriting more research on reversing grey hair.

This review discusses the clinical manifestations and genetic basis of pigmentary mosaicism, highlighting its varied phenotypic expressions, but reports no new clinical results.

This research describes methods to activate melanocyte stem cells during hair follicle regeneration and to isolate melanocytes from neonatal mouse skin, with the aim of studying melanogenesis for potential clinical applications.

This case report describes koebnerization-induced vitiligo in a woman following repeated eyebrow microblading, suggesting a link between the procedure and the phenomenon in susceptible individuals.

The researchers observed that vitiligo-affected skin shows a selective depletion of NTRK2+ melanocyte subpopulations with progenitor features, which may contribute to poor treatment responses.

This study found that the expression of CK 15 and CK 19 in vitiligo patients undergoing phototherapy was correlated with improved repigmentation, suggesting their potential as markers for stem cell stimulation.

This study found that BMP signaling is involved in regulating melanogenesis, pigment transfer, and melanocyte migration, contributing to our understanding of skin pigmentation mechanisms.

In this case report, a rare melanotrichoblastoma tumor was identified in a 51-year-old female following the histological and immunohistochemical analysis of a lesion on the pubo-inguinal area, presenting with strong epithelial marker positivity and a low proliferative index.

This source describes vitiligo as a chronic condition marked by the loss of skin pigmentation and discusses leukotrichia, a feature affecting 10% to 60% of cases, which arises from melanocyte loss in hair follicles and appears as well-defined white patches on the skin.

This article discusses trichopigmentation as an innovative, reversible treatment for hair loss in both males and females, but it does not report new clinical results.

This study found that a single ablative fractional laser treatment significantly reduced hedgehog pathway gene expression in microscopic murine basal cell carcinomas, nearly matching the effects of repeated topical vismodegib applications.

This study found that two short peptides derived from pigment epithelium-derived factor significantly accelerated full-thickness skin wound healing in mice through mechanisms that may involve increased cell proliferation and stem cell mobilization.

In this study, researchers found that Langerhans' cells likely do not play a role in the depigmentation process in C57Bl/Ler-vit.vit mice, as their number was normal during depigmentation and highest afterward.

In this study, I-PRF, a blood-derived biomaterial without anticoagulants, was found to inhibit melanin production and reduce oxidative stress damage in a rat model of melasma, suggesting it as a safe and cost-effective treatment option.