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In this study, oral Tribulus terrestris extract significantly increased MSH expression in mouse hair follicle melanocytes, suggesting enhanced melanocyte activity and migration.

This study demonstrated that visible light lightens blond hair more effectively than ultraviolet light, attacking melanin granules directly, whereas ultraviolet light primarily damages other hair tissues following washing.

This study reported that in men with androgenic alopecia, a distinct subclinical hyperpigmentation pattern was observed in the scalp, associated with baldness severity and possibly linked to local melanin production by pilosebaceous units.

This study found that UV stabilizers must diffuse uniformly and in high uptake levels throughout hair fibers during humidification cycles to effectively prevent photo-oxidative degradation.

This study found that minoxidil accumulated in pigmented hair follicle cells more than in unpigmented ones, but this targeting by pigmentation did not affect hair growth.

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.

This study found that hexane extracts of Nostoc verrucosum significantly inhibited melanin synthesis in melanoma cells and demonstrated antioxidant activity, suggesting potential use in developing cosmetic and functional food products.

In this study, mangosteen pericarp water extract was found to significantly promote hair dermal papilla cell proliferation and enhance melanin synthesis in vitro, surpassing known melanogenic agents such as α-melanocyte stimulating hormone and forskolin in potency.

This study identified 53 keratins in the yak genome, predicting diverse phosphorylation sites and subcellular localizations, and highlighted strong gene expression correlations during the yak hair follicle development cycle.

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.

This study found that the 16th-century mummified hair from a female mummy in Paju was remarkably well-preserved, with the hair's ultrastructural features maintained likely due to a calcium-rich surface coat.

This review found that platelet-rich plasma shows potential in improving melasma, though its overall benefit varies across different treatment methods and may not enhance results when combined with certain other treatments.

This review discusses pain management strategies for optical permanent hair removal, which causes pain due to the increase in skin surface temperature, but reports no new experimental results.

In this study, voglibose, commonly used for diabetes management, was found to reduce melanin synthesis and inhibit melanogenic signaling pathways in B16F10 melanoma cells, suggesting it could be repurposed for treating hyperpigmentation disorders with confirmed topical safety in human tests.

This study found that extracts from Hom Thong banana peels, rich in phenolic compounds, may inhibit melanin production in human and mouse melanoma cells, showing potential as anti-melanogenic agents comparable to standard treatments like arbutin and kojic acid.

In this study, saponins from Korean red ginseng were found to protect against the harmful effects of airborne particulate matter on human skin cells by reducing oxidative stress, inflammation, leptin expression, and melanin production.

This study found that C. japonicum flower extract significantly increased melanin content and cellular activity in human melanocytes and may improve follicular depigmentation and vitiligo through cAMP signaling.

This article reviews various "white diseases" characterized by hypopigmentation or depigmentation and emphasizes the role of melanosomes in skin and eye color, but it does not present new clinical results.

This study analyzed how oxidative hair dye leaches from pigmented and nonpigmented hair during wash cycles, finding that melanin influences the dye deposition and leaching processes.

This study found that scanning electron microscopy with argon sputter etching visualizes hair lipids at the cell membrane complex as distinctive convex structures, shedding light on their role and localization in human hair.

This study found that the long-pulsed ruby laser effectively delays hair growth and has the potential for permanent hair removal with minimal pain and side effects, offering an advantage over traditional hair removal methods.

This review discusses the mechanisms and potential benefits of platelet-rich plasma therapy for various skin conditions and reports no new clinical findings.

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.

In this study, researchers successfully generated functional and long-lived melanocytes from human embryonic stem cells, demonstrating their biocompatibility and high engraftability in mice, which may aid in developing treatments for pigmentary skin disorders.

This article presents a comprehensive overview of hair microscopy techniques and their diagnostic potential for systemic and cutaneous disorders, emphasizing its usefulness in resource-limited settings and highlighting the underutilization of this non-invasive method due to lack of awareness.

The researchers reported that protocatechuic acid reduced melanin synthesis and enhanced antioxidant activity in cultured human hair follicle melanocytes, indicating potential for skin whitening applications.

This study found that Angiotensin II is expressed more in black sheep skins compared to white sheep skins, suggesting its involvement in coat color regulation.

This article discusses the complex biological functions and social significance of hair follicles and reports no new research findings, emphasizing their role in health, disease, and a substantial beauty industry.

This study found that variations in mouse skin thickness, influenced by gender and hair growth cycles, significantly affect optical scattering measurements, which are important for developing biomedical optics techniques.