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This study in mice found that fractional photothermolysis can improve dermal scar formation by promoting slow, organized collagen regeneration with minimal myofibroblast activation.

One type of progenitor cell can maintain normal skin in mice.

This study observed that injecting mice with α-MSH resulted in black hair regrowth in shaved and plucked areas, suggesting a potential link to the agent darkening hair in animals with a specific pituitary tumor.

This study concluded that label-retaining cells in mouse epidermis differ in their sensitivity to proliferative stimuli, influencing their division and potential transdifferentiation without consistently depleting their population.

This study observed that postburn hair transplants, using follicular unit micro grafting, can effectively restore facial hair and scalp regions, with eyebrow and mustache restoration yielding the highest patient satisfaction.

Adjusting the medication tacrolimus resolved a boy's red nail beds after a stem cell transplant.

This chapter summarizes the efficacy of NB-UVB monotherapy for vitiligo and notes that patients treated with tacrolimus showed significantly better repigmentation.

This paper demonstrates that scalp micropigmentation can effectively conceal scalp and hair deformities with high patient satisfaction, offering a non-surgical alternative cosmetic solution.

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

This case report describes a successful treatment of sarcoidal foreign body reactions caused by permanent makeup ink with local steroid injections, while also identifying the involvement of M2 macrophages in the reaction.

This study found that red LED photobiomodulation significantly enhanced both the metabolic activity and proliferation of human placenta-derived pericytes, alongside increased expression of angiogenic markers, suggesting a potential non-invasive approach to aid tissue repair and vascular regeneration.

This study found that full thickness wounds in Lanyu pigs led to altered molecular expression and abnormal skin structure, without regenerating key epithelial cells thought to aid in skin regeneration.

This study found that PGF2alpha analogues and PGE2 stimulated hair follicle activity in mice, with PGF2alpha analogues also linked to potential side effects like poliosis when used as eye treatments.

This review discusses scalp micropigmentation for hair loss and scarring and reports no clinical results; the authors highlight its use as both a standalone and adjunct treatment.

This study found that thymus transplantation in athymic mice resulted in T-cell-driven hair follicle depigmentation and loss, without multiorgan autoimmune disease, highlighting mechanisms of tissue-specific tolerance.

This review discusses scalp micropigmentation (SMP) for camouflaging baldness and reports no new clinical results; it aims to highlight SMP's cosmetic benefits and practical advantages over surgical hair transplantation.

In this study, researchers observed that dormant TRP-2+ melanoma cells in bone marrow can interact with CD8+ T cells in tumor-bearing ret transgenic mice, potentially influencing immune responses.

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.

This article discusses the temporary scalp trichopigmentation procedure, detailing its unique approach compared to traditional scalp micropigmentation, and reports no new clinical findings.

In this study, researchers found that punch grafting was more effective than follicular hair transplantation for treating stable vitiligo; however, follicular hair transplantation was found to be cosmetically preferable for exposed areas like the face due to fewer side effects.

This article discusses a new global consensus on the classification of vitiligo, describing histopathological findings and outlining treatment strategies, but reports no new clinical results.

This study suggests that different melanocyte subpopulations in hair follicles have varying patterns of apoptosis and survival during the catagen phase, which may inform models for modulating melanocyte behavior in vivo.

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 abstract discusses the non-invasive technique of scalp micropigmentation for hair loss, focusing on its cosmetic effects and customization options, and reports no new research findings.

This case report describes an elderly multiple myeloma patient whose hair repigmentation was associated with lenalidomide use, suggesting hair graying may be reversible.

Harris et al. describe a new mouse model for vitiligo, where interfollicular melanocytes are retained and melanocyte-targeting immune responses are simulated, aiding the development of immunomodulatory therapies.

This study found that a multicolor panel of four surface markers can identify new stem cell populations in mouse hair follicles, providing insights into stem cell diversity and gene expression discrepancies during tissue culture.

This review discusses the identification and characteristics of melanocyte stem cells, emphasizing their role in hair pigmentation, greying, and skin repigmentation, but reports no new research findings.