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Method detects finasteride in plasma at very low concentrations.

This commentary discusses the challenges of matrix effects in LC–MS analysis and introduces the concept of a matrix effect factor using stable isotopically labeled internal standards to improve analysis reliability.

This study found that a collagen patch made with fibroblast-derived extracellular matrix (fdECM) extracted from human lung fibroblasts enhanced wound healing by promoting wound contraction, angiogenesis, and skin remodeling in full-thickness skin wound models, including those with diabetic ulcers.

In this study, the combination of ECM-C with microneedle and radiofrequency treatments improved periorbital wrinkles, skin elasticity, and thickness more effectively than ECM-C with microneedles alone, but subjective evaluations showed no significant differences.

Different substances affect hair and skin cell growth in various ways.

This study found that applying both dehydrothermal treatment and carbodiimide crosslinking improved the mechanical properties of porcine acellular dermal matrix scaffolds without added cytotoxicity, suggesting potential applications in tissue engineering.

In this study, different extracellular matrix types altered growth characteristics of cultured human dermal papillae cells but did not significantly affect their biological function-related characteristics.

This study found that epidermal stem cell-specific Jag1 expression levels are crucial for effective wound healing and scar reduction, and porcine acellular dermal matrix treatment enhances this process in mice by boosting Notch/Jagged1 signaling.

In this study, miliacin combined with polar lipids significantly stimulated IGF1 production, increased the renewal of keratinocytes, and enhanced collagen thickness in a hair follicle model.

Homemade hair treatments can significantly lower drug levels in hair, possibly causing false-negative drug tests.

This study indicates that porcine acellular dermal matrix may aid hair follicle regeneration in mice by enhancing the expression of SDF-1 and the Wnt3a/β-catenin signaling pathway.

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.

In this study, fibronectin coating on a low-adhesive substratum increased cell aggregation, growth, and motility, enhancing the formation of hair follicle dermal papilla spheroids.

This study found that caffeine enhanced hair growth and keratinocyte proliferation in human hair follicles, with female follicles showing greater sensitivity than male ones.

The study found that CO2 dot matrix laser combined with platelet-rich plasma improved scar repair, psychological state, and quality of life in patients with acne vulgaris-related depressed scars.

This article reviews analysis techniques in LC-MS/MS and discusses the potential use of a novel in-sample calibration curve method, but reports no new experimental results.

In a study using hairless mice, tranexamic acid was found to ameliorate natural skin aging, with stronger effects observed in female mice compared to males.

This review compiles existing research on infrared radiation's effects on human skin, noting both its potential harmful thermal impacts and encouraging therapeutic applications, but reports no new clinical results.

This study found that stem cell factor combined with fibronectin and type IV collagen promotes migration of amelanotic melanocytes, which may help explain their movement during vitiligo repigmentation.

This study concluded that epidermal growth factor may induce a 'catagen-like' phase in human hair follicles by disrupting normal cellular proliferation and migration patterns.

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 study found that non-ablative fractional erbium glass laser treatment affected gene regulation in human skin models by downregulating MMP and interleukin expression, suggesting potential roles in dermal remodeling and anti-inflammatory effects.

In this study, Korean Red Ginseng showed protective effects against chemotherapy-induced premature hair follicle aging in an in vitro model by modulating specific cellular protein expressions.

This study found that ethanol-extracted propolis stimulated hair growth in mice by promoting the proliferation of hair keratinocytes.

In this animal study, ginsenoside Rb1 demonstrated therapeutic effects on hypertrophic scar remodeling, with the highest efficacy observed at a dose of 0.56 mg.

This study found that intense pulsed light treatment primarily targets pigmented structures in hair follicles and may damage dermal papilla cells at high energy levels, but stem cells are mostly spared.

This review article summarizes findings that suggest natural products may help treat skin inflammation related to abnormal hormone secretion by the adrenal gland, as they can inhibit inflammation pathways and promote wound healing.

This study found that cilostazol promoted hair growth in human dermal papilla cells and mouse models, suggesting its potential as a therapeutic target for alopecia treatment.

In a laboratory study, Grateloupia elata extract demonstrated antioxidant and anti-aging effects by scavenging free radicals, inhibiting collagenase and elastase, increasing procollagen production, and reducing MMP-1 secretion, suggesting its potential use in functional cosmetics.

This study found that Korean Red Ginseng may protect against chemotherapy-induced alopecia by reducing hair follicle damage in a human hair follicle organ culture model.