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This study found that exposure to extremely low-frequency electromagnetic fields at specific intensities significantly enhanced human hair follicle cell activation and proliferation, suggesting a potential new treatment approach for alopecia.

This review discusses the use of nanomaterials in cosmetics, highlighting their benefits like enhanced stability and skin penetration, while also noting potential health risks and the role of natural ingredients in formulations.

In this study, human umbilical cord mesenchymal stem cells and their conditioned medium significantly improved symptoms in mouse models of atopic dermatitis, potentially through exosome-dependent pathways, suggesting a cell-free therapeutic strategy.

This study provided an overview of skin organoids created from pluripotent stem cells, showcasing their potential in dermatologic research and future clinical applications, while noting challenges such as lengthy differentiation protocols that result in heterogeneous products.

In this study, Nigella sativa oil was found to promote dermal papilla cell proliferation and may reduce oxidative stress, suggesting its potential as a hair loss intervention.

This review explored the causes of hair graying and evaluated how plant-derived extracts and phytochemicals might alleviate it, noting that certain compounds showed potential in enhancing melanocyte function, reducing oxidative stress, and influencing stress-related pathways based on experimental evidence.

This study found that Ashwagandha-derived exosome-like nanovesicles promoted hair growth in several preclinical models and may offer a novel non-drug strategy to reduce hair shedding.

This study demonstrates that human skin is capable of steroid hormone synthesis, but its role in androgenic skin disorders like acne and alopecia is yet to be clarified.

This study found that human follicular papilla cells in the scalp produce leptin and express functional leptin receptors, suggesting leptin's significant role in hair biology.

This study identifies substance P, TNFα, and IFNγ as novel regulators of prolactin and its receptor expression in human skin, suggesting intracutaneous prolactin is not controlled by dopamine.

This study found that an optimized hydrogel combined with human umbilical cord-mesenchymal stem cells accelerated wound healing in diabetic mice by improving cell adhesion and reducing inflammation.

This study concluded that dietary changes alter serum progesterone and estradiol levels in late gestation ewes, likely due to metabolism rather than changes in placental steroid synthesis.

Plant extracts might help control stem cell growth for medical use.

This study reports that some human cell surface HLA-I molecules (including HLA-B27) can appear without their usual peptide component, potentially altering immune interactions, influencing arthritis development in specific mice models, and exhibiting upregulation in certain cancer cells.

In this study, human cell models of hair follicles showed that araliadiol, a plant-derived polyacetylene compound, promotes hair growth through the p38/PPAR-γ signaling pathway, suggesting its potential as a new drug candidate for alopecia treatment.

This study found that human keratinocytes express a sodium-dependent multivitamin transporter for biotin, pantothenic acid, and lipoic acid, including a highly specific biotin transport component.

This review discusses the use of human mesenchymal stem cells (hMSCs) for treating skin diseases and suggests they show promise for improving conditions like wounds and scleroderma, but more research is needed due to varied study designs and endpoints.

This review discusses recent advancements and ongoing challenges in engineering human skin with appendages using scaffold-free and scaffold-based bioengineering approaches, but it reports no new clinical results.

This study reported that exosomes derived from human amniotic mesenchymal stem cells (hAMSC-exo) accelerated hair growth in androgenetic alopecia mice by enhancing signals between hair follicle cells and improving cellular environments, particularly protecting against dihydrotestosterone-induced damage via Wnt/β-catenin signaling.

In this study, exosomes derived from Iris germanica L. rhizomes (Iris-exosomes) were reported to alleviate oxidative stress and improve mitochondrial function in human follicle dermal papilla cells by activating the Wnt/β-catenin signaling pathway, suggesting potential benefits for hair loss treatment.

This study found that orally administered Annurca apple extract improved hair length, thickness, weight, and density in mice, while also increasing the expression of hair growth-related genes and proteins, suggesting potential as a natural treatment for hair loss.

This review suggests that stem cells might be a promising addition or alternative to standard treatments for androgenic alopecia, but larger studies are needed to confirm these findings.

This study developed and validated a highly sensitive LC-MS/MS method for detecting multiple steroid hormones in urine and serum/plasma, demonstrating its potential for use in large-scale biomonitoring studies.

In this study, silencing P-cadherin in human scalp hair follicles reduced melanogenesis and associated protein expression, suggesting P-cadherin is crucial for normal hair pigmentation via GSK3β-mediated Wnt signaling.

This study found that the water extract of Cacumen Platycladi promotes hair growth and follicle development in mice, possibly by influencing dermal papilla cells through the Akt/GSK3β/β-Catenin signaling pathway.

This study identified a novel keratin-associated protein, KAP24.1, which is specifically expressed in the human scalp and located in the hair cuticle.

This study observed that high concentrations of rosemary and thyme extract caused thymic tissue damage, decreased IgM and IgG levels, and fluctuated IL-10 levels in chick embryos, with inflammation signs present despite potential benefits.

This review discusses the diverse functions and therapeutic potential of ectopic olfactory receptors throughout the body, emphasizing their roles in various cellular processes and potential in cancer detection and therapy, but reports no new clinical results.

This scoping review found that while some small human pilot trials of extracellular vesicles as therapeutics showed promising outcomes, variability in study design and lack of placebo controls limit definitive conclusions about their safety and efficacy.

This study found that some white or grey human hairs can naturally regain pigmentation, suggesting a potential temporary reversibility of hair greying associated with stress and molecular changes.