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This review discusses the effects of visible light on human skin, highlighting its role in pigmentation, thermal damage, and the treatment of several skin conditions, while noting limited sunscreen protection against it; no new clinical results are reported.

This study reported that stress can induce hair graying in mice through noradrenaline-mediated depletion of melanocyte stem cells in hair follicles, providing a mechanism that connects stress to hair color changes.

This study found that activation of a mother's immune system during early pregnancy in mice led to transient alopecia in their offspring, highlighting a link between epidermal and dermal histogenesis disorders and alopecia.

This study demonstrated that the Biofield Energy Healing Treatment significantly increased the proliferation of human hair follicle dermal papilla cells in vitro, suggesting its potential as a hair growth enhancer.

Thyroid hormone may be useful for treating various skin conditions and needs more research.

In this study, application of salicylic acid solution on mouse skin showed histologic changes without causing wounds or inflammation, observed immediately and up to 48 hours after treatment.

This review discusses the role of microRNAs in skin function and potential therapeutic applications, emphasizing their importance in wound healing and disease management, though it reports no new experimental findings.

This article reviews the role of polyamines in hair follicle growth and discusses potential therapeutic applications but provides no new clinical results.

This review discusses current concepts on the role of retinoids in keratinization and does not report new clinical results; the authors emphasize the complexity of retinoid effects on skin.

This review explores the potential diagnostic and therapeutic applications of extracellular vesicles in treating various skin conditions but reports no new clinical study results.

In this study, the researchers observed that inducing and then withdrawing β-catenin expression in a bigenic mouse model caused reversible changes in skin morphology, indicating dependence on β-catenin signaling.

This review discusses the role of phospholipases in skin and hair health, suggesting that understanding their molecular control could inform new treatments for related conditions, but it presents no new clinical results.

This review discusses the molecular mechanisms and clinical applications of autologous platelet-derived products for TMJ regeneration, but reports no new clinical results.

This study suggests that exosomes derived from mesenchymal stem cells may promote hair growth and improve skin health by enhancing dermal papilla cell proliferation and modulating inflammation and oxidative stress.

This case report describes a unique presentation of porokeratotic eccrine ostial and dermal duct nevus with lesions on the dorsum of the hand and a focal lichenoid infiltrate, differing from typical palm and sole involvement.

This review examines the scientific evidence on the short-term safety of testosterone therapy for treating hypoactive sexual desire disorder in women, without presenting new clinical results.

This study found that Wnt secretion is important for maintaining skin homeostasis in mice, as Evi-deficient mice developed psoriasis-like skin lesions and had an imbalance in immune cell populations.

This study found that apple stem cell extract may selectively influence hair follicle bulge stem cell biology without cytotoxic effects in an ex vivo human hair follicle organ culture.

In this study, TRPV1 signaling was found to play a critical, previously unrecognized role in human sebocyte biology, and targeting this pathway may offer a new approach for managing inflammatory sebaceous gland disorders like acne.

This study found that MPZL3 plays a crucial role in controlling sebaceous gland size and sebocyte proliferation in mice and humans, implicating its potential involvement in skin disorders like acne and psoriasis.

This study indicates that MPZL3 negatively regulates sebaceous gland size in mice by controlling sebocyte proliferation, with implications for disorders like acne and psoriasis.

This study identified a new mouse mutation associated with noninflammatory proliferative skin disease and hair abnormalities, drawing parallels to human conditions like Netherton's syndrome and monilethrix.

This study found that carvone, a plant-derived compound, decreases melanin content and inhibits melanoma cell proliferation through the cAMP pathway, suggesting potential benefits for treating melanomas and other hyperpigmentation disorders.

This study describes how incorporating curcumin-loaded nanoparticles into various nanoformulations can enhance its bioavailability and improve wound healing processes such as angiogenesis, collagen deposition, and cell proliferation.

This study found that mycophenolic acid promotes dermal papilla cell proliferation and anagen hair follicle induction in mice, suggesting potential as a treatment for hair-loss disorders.

This study found that a 4:1 combination of Rhynchosia nulubilis and Polygonum multiflorum extracts significantly promoted the proliferation of human dermal papilla cells and alleviated testosterone-induced cytotoxicity, suggesting potential for treating hair loss and related disorders through a synergistic approach.

This study demonstrated that EdnrB signaling promotes melanocyte stem cell proliferation and differentiation, enhancing hair and epidermal melanocyte regeneration, especially under conditions of active Wnt signaling.

This study found that decorin treatment significantly enhances dermal papilla cell proliferation, promoting hair follicle growth by influencing the SMAD3/TGF-β signaling pathway through exosomal miR-129–2-3p, which may aid in novel strategies for treating hair disorders and enhancing wool production.

This paper reviews the autoimmune disorder alopecia areata, its progression, and its significant emotional and psychological impact, but reports no new clinical findings.

This study found that baicalin promotes human microvascular endothelial cell proliferation, while visnadin and minoxidil enhance tubulogenesis, with hesperidin uniquely increasing VEGFR-2 phosphorylation compared to other compounds tested.