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This study found that, despite confirming MC1R expression and functional cAMP signalling, α-MSH treatment did not alleviate UVA-induced stress in adult dermal fibroblasts, suggesting that α-MSH-MC1R may not directly protect against UVA-induced photoaging in these cells.

In this study, treatment with cell-derived nanovesicles from hair follicle mesenchymal stem cells improved photoaging signs in UVB-exposed mice and human dermal fibroblasts by reducing oxidative stress, enhancing cell proliferation, and promoting extracellular matrix production.

In this study, orally administered Centella asiatica extract, standardized for asiaticoside content, significantly improved skin barrier function, elasticity, and reduced signs of UVB-induced photoaging in hairless mice, highlighting its potential as a nutricosmetic for skin health.

This study found that Gynostemma pentaphyllum hydrodistillate and Damulin B exert significant anti-photoaging effects in UVB-irradiated models by reducing oxidative stress, improving ECM integrity, and enhancing skin hydration and elasticity.

This study demonstrates that Bazi Bushen capsules may have therapeutic potential against skin photoaging in mice by enhancing NRF2 expression and targeting the KEAP1-NRF2 pathway.

This study found that Heated radish extract potently suppressed melanin production in vitro and reduced wrinkle formation and collagen degradation in vivo, suggesting its potential as a skin whitening and antiaging product.

This study found that Dendrobium sabin flower extracts, especially the methanolic one, demonstrated strong antioxidant and anti-aging properties without significant toxicity, suggesting its potential in treating photo-induced skin aging.

As skin ages, it gets thinner, paler, and more wrinkled, and protection and care like sunblock and moisturizers are important.

This study reports that aging in human skin involves early photo- and inflammation-related cellular changes, and suggests restoring KLF6 and HES1 expression might reverse some of these age-associated changes.

This study suggests that dermal adipocytes might play a key role in skin aging due to their transformation into fibrotic structures in chronically photo-damaged skin.

This viewpoint essay discusses the potential of fullerene C60 derivatives as novel treatment agents in dermatology, highlighting their ability to act as both radical scavengers and oxygen radical generators.

This review discusses the cosmetic potential of Southeast Asian herbs and highlights the need for more systematic scientific evaluation of their efficacy and safety.

This study found that the cytokine-mediated signaling pathway is the primary pathway disrupted in skin after CO2 laser surgery.

This article discusses potential links between male balding, specifically androgenic alopecia, and severe COVID-19, suggesting that balding may serve as a biomarker for identifying higher-risk patients, but it reports no new experimental findings.

This review discusses the effects of estrogen on skin and reports no new clinical results; it highlights estrogen's potential benefits on skin thickness, collagen quality, and hair follicle life cycle.

This review discusses the effects of estrogens on skin aging and highlights the potential benefits of estrogen replacement therapy and selective estrogen receptor modulators for improving skin health in postmenopausal women, but reports no new clinical findings.

This study reports that 11β-HSD1 activity in human skin increases with age and photoexposure, potentially contributing to skin aging and the effects of glucocorticoids.

This study found that chronic ultraviolet-B exposure increased skin vascularization and wrinkle formation in mice, while overexpressing the angiogenesis inhibitor thrombospondin-1 reduced these effects, suggesting angiogenesis inhibition as a potential approach to prevent photo-damage.

This review details the advancements and benefits of fractional erbium:YAG resurfacing lasers for treating photoaging, acne scarring, and dyschromia, but it presents no new clinical results.

This study found that autologous serum platelet-rich plasma improved skin quality and reduced wrinkles, texture, and pores in healthy females, partly by regulating the expression of MMP-1, tyrosinase, fibrillin, and tropoelastin.

This review explores the therapeutic potential of bee venom for treating various skin diseases, discussing its mechanisms and effects but reports no new clinical findings.

This review discusses the effectiveness and potential complications of medium-depth and deep chemical peels for improving skin appearance and reports no clinical results; it highlights the need for careful procedure application.

This study highlighted the importance of aesthetic and common dermatological conditions such as acne and nonmelanoma skin cancer in Brazil, with varying patterns based on demographic and funding factors.

This review examines the potential dermatological benefits of ginseng and ginsenosides, finding no new clinical results but highlighting mechanistic studies on photoaging, wound healing, and skin diseases.

This review discusses the modest efficacy of home-use laser and light devices for conditions like hair removal and acne, noting limited evidence and a lack of robust trials.

This study found that UVA and UVB exposure increased hydroquinone and sunscreen absorption in nude mouse skin, with less absorption enhancement observed in more lipophilic sunscreens.

This study reports that women receiving periodic injections of botulinum toxin type A for forehead wrinkles may experience frontal alopecia, with progressive hairline recession observed in the cases studied.

In this study, 21.1% of participants had actinic keratoses, with higher prevalence in men, and certain genetic and photoaging factors were positively associated with AK, though smoking was linked to reduced risk.

This article highlights the need for dermatologists to understand male-specific anatomical and physiological differences to optimize aesthetic treatment outcomes for men, but it reports no new clinical results.

This study found distinct skin surface changes, including faint mosaic melanoderma and atypical scaliness, on long-standing sun-exposed balding scalps that may be associated with actinic field carcinogenesis.