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This review discusses the cutaneous serotoninergic/melatoninergic system's potential role in skin function and resilience against environmental and internal stresses, but does not report new experimental findings.

This study found that PKCα activation in transgenic mice induces keratinocyte apoptosis and mediates neutrophilic skin inflammation via different pathways, suggesting potential mechanisms for cutaneous inflammatory diseases.

This article discusses the potential role of melatonin in protecting skin against stress and maintaining homeostasis, based on its local synthesis and various protective functions, but presents no new clinical results.

This study found that LEDs at specific wavelengths may improve antifungal performance and promote hair growth by activating scalp cells without inducing inflammation compared to a non-irradiated group.

This report presents a case of a seven-year-old girl with porokeratotic adnexal ostial nevus manifesting as hyperkeratotic verrucous papules on her left foot.

This study observed that combining targeted UVA phototherapy with topical 8-methoxypsoralen showed cosmetically acceptable hair regrowth in patients with patchy alopecia areata.

In this study, PP-PTKL exhibited antioxidant, anti-inflammatory, and pro-melanogenic effects in laboratory settings, suggesting its potential role in preventing or treating hair greying. Further animal and human studies are needed to verify these findings.

This study will evaluate the potential of photobiomodulation, both alone and combined with melatonin supplementation, to promote hair regrowth in German Spitz dogs with alopecia X, by measuring hair follicle density and thickness over a 90-day period.

This study used cryoelectron microscopy to unveil the structure of LPA-bound human LPAR6, revealing unique ligand binding and recognition modes distinct from LPAR1, which may aid in designing targeted compounds for hair loss and cancer.

This study explored spontaneous repigmentation after phenol-croton oil peels in skin of color, finding that temporary hypopigmentation resolved by day 21 in both a black-skin domestic pig model and human clinical observations, highlighting potential for these procedures despite past concerns about pigmentation issues.

This review discusses the role of RDH12 in vision, its structural and functional aspects, and related disease mechanisms, but reports no new clinical results; it aims to support therapy development for inherited retinal dystrophies.

This report describes two cases of alopecia totalis treated with turban psoralen and sunlight exposure, but it provides no clinical outcome results.

This study found that p21 is much more highly expressed in normal melanocytes compared to melanoma cells, suggesting a potential target for preventing melanoma progression through cell cycle repair processes.

Light therapy can effectively treat vitiligo and hair loss caused by a specific medication.

This study by Pérez-Oliva et al. explored how Mahogunin Ring Finger-1 (MGRN1) affects melanocortin-1 receptor (MC1R) signaling, suggesting that MGRN1 competitively inhibits Gαs binding to MC1R, influencing pigment production.

This study found that women with PCOS and female androgenetic alopecia had significantly higher serum pannexin-1 channel levels compared to those without PCOS, suggesting a potential role in hair loss etiology.

Photodynamic therapy was effective in treating multiple scalp basal cell carcinomas with minimal side effects and good cosmetic results.

This study observed that, after 90 hours of light exposure, Finasteride retained 57% of its concentration, whereas Diclofenac and Naproxen retained only 12% and 9%, respectively.

This study found that BMP signaling influences hair pigmentation in mice by affecting the Agouti protein and interacts with MC-1R pathways to modulate melanin production.

This study found that six sessions of a modified phenol peel effectively reduced hyperpigmentation in patients with Lichen Planus Pigmentosus, with 76% of treated individuals experiencing at least a 25% improvement, and no serious side effects reported.

This study found that a single topical application of calcipotriol ointment did not affect systemic calcium levels in patients with chronic plaque psoriasis.

This study found that apocynin restored COL17A1 expression in human keratinocytes and reduced UVB-induced cellular senescence, DNA damage, and cell cycle arrest.

This article highlights the limited photoprotection baseball caps provide against UV radiation and recommends additional sun protection measures, especially for those at risk of androgenetic alopecia, but reports no new results.

This paper reviews the hair color changes associated with valproic acid treatment, noting only a few reported instances of bleaching or darkening, and reports no new findings.

Latanoprost eye drops caused excessive hair growth and eyelash whitening in a woman.

This report describes a unique case of linear lichen planus pigmentosus on the face with histological features of lichen planopilaris, which has not been documented before.

This review discusses the antioxidant and photoprotective potential of Polypodium leucotomos for use as a natural sunscreen ingredient and reports no new experimental results; further studies are recommended to evaluate its effectiveness.

In this study, α-MSH and cyclic AMP were found to stimulate melanogenesis in hair follicle cultures, while cyclic GMP and melatonin inhibited melanin production but not tyrosinase activity.

In this study, exposure to m-Aminophenol in human keratinocytes altered the expression of thousands of genes involved in inflammation and stress responses, suggesting potential biomarkers for MAP-induced skin toxicity.