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This study found that rice bran ash extract enhanced melanin biosynthesis-related protein expression in a 3D hair follicle-like tissue model and hair follicle organ culture, suggesting potential for future research in melanogenesis.

This study found that treating a 3D hair dermal papilla model with rice bran extract and electromagnetic fields increased melanogenesis, suggesting potential for vitiligo and white hair therapies.

In this study, γ-ray irradiation of mice reduced hair follicle density and pigmentation, suggesting damage to stem cells and progenitors for keratinocytes and melanocytes.

This review discusses the role of various cells outside the hair follicle in regulating melanocyte stem cells and hair graying, but reports no new clinical results.

This study identified distinct gene expression programs in keratinocytes responsible for forming hard scales and soft interscale epidermis in chickens, revealing conserved differentiation genes similar to those in human skin.

This review discusses how skin lesions and haircoat changes in adult horses can indicate systemic diseases, emphasizing the need for veterinary evaluation, and reports no new clinical findings.

Using a combination of specific cell cycle regulators is better for safely keeping hair root cells alive indefinitely compared to cancer-related methods.

This review reported that tripeptides, such as GHK and KdPT, show promise in enhancing wound healing through multiple mechanisms, including promoting cell migration, collagen deposition, and angiogenesis, while offering antimicrobial and anti-inflammatory benefits for both acute and chronic wounds.

This study explored peripheral blood immune dysregulation in alopecia areata through single-cell analyses, identifying systemic changes linked to disease severity and key signaling roles for monocytes, NK cells, and memory T cells, suggesting potential therapeutic targets.

In this narrative review, researchers outlined the role of T cells in the autoimmune pathogenesis of alopecia areata and highlighted ongoing research into therapeutic pathways, beyond current JAK inhibitors, aimed at developing new treatments for the disease.

This analysis examines acne vulgaris using an integrative approach, highlighting its links with psychopathology, lifestyle, and diet, but reports no new results.

This study found that while new treatments like Optilume, Rezum, and Aquablation have minimal risks of sexual dysfunction, they offer less improvement in lower urinary tract symptoms compared to traditional surgeries like TURP, though Aquablation does reduce ejaculatory dysfunction more effectively than TURP.

This paper provides a comprehensive review of melanocytes' roles in skin biology, focusing on their pigmentation and immune functions, and suggests potential research opportunities for preventing and treating skin disorders.

This review discusses the role of dermal papilla cells in hair follicle morphogenesis and regeneration and reports no new results; the authors emphasize the importance of these cells in hair growth and pigmentation regulation.

This chapter discusses various substances and therapies for dermatological applications, including heliotherapy, UVB, khellin, and others, but reports no new research findings.

This study demonstrates that Puerariae Lobatae Radix may regulate skin lipid metabolism by inhibiting sebaceous gland growth and reducing triglyceride secretion, highlighting its therapeutic potential for sebaceous gland-related conditions.

This review discusses the classification, diagnosis, and potential treatment pathways for Alopecia Areata, emphasizing the complex genetic and immunological factors involved, but reports no new clinical results.

This review discusses the mechanisms of hair repigmentation and reports no clinical results; the authors suggest further research into topical treatments for reversing gray hair.

This literature review highlights the effectiveness of topical vitamin D (e.g., calcipotriol, calcitriol) in treating vitiligo, emphasizing its role in melanogenesis and as an immunomodulator, either alone or combined with topical corticosteroids, offering minimal side effects.

This review discusses segmental vitiligo as part of the vitiligo clinical spectrum and highlights its role as a model for studying repigmentation, but reports no new clinical results.

This study explores the complex and not yet fully understood causes of premature hair greying, noting genetic factors such as Pax3 and MITE genes, potential defects in melanin transfer, and associations with certain syndromes, while stating that effective treatments are currently lacking.

This chapter discusses the role of hormones in regulating reproductive biology and outlines how the endocrine system, particularly the brain and pituitary gland, controls these hormonal processes.

Acne is a common skin condition linked to diet, hormones, and genetics, and early treatment can prevent scarring.

This study concluded that the Wnt signaling pathway does not significantly influence human keratoacanthoma development, but the overexpression of Sox9 suggests alternate signaling involvement.

This review explores the potential for using exosomes in treating autoimmune skin diseases and promoting skin regeneration, highlighting current applications, delivery methods, and ongoing clinical trials while also identifying challenges and future research directions within dermatology.

This review discusses various bioactive elements in cosmeceuticals, highlighting their potential benefits, such as anti-aging effects and skin tone improvement, while noting the growing demand due to safety concerns and expanding market opportunities.

This review summarizes the biological process of melanogenesis and evaluates natural skin-whitening treatments based on their mechanisms affecting melanin production, aiming to inform on the effects and awareness of skin-bleaching creams.

This article discusses the psychological impact of skin imperfections and suggests establishing a Cosmetic Dermatology Service within public health systems to address these issues ethically.

This study on female Wistar rats with stress-induced alopecia found that a modified diet rich in antioxidants and nutrients reduced dystrophic skin changes and preserved the functional activity of hair follicles, suggesting dietary approaches may support hair restoration under chronic stress conditions.

This review provides an analysis of topical treatments with clinically proven efficacy for managing hyperpigmentation and concludes that the most effective approach is using combined therapies that target multiple aspects of skin pigmentation physiology.