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This review explores the connection between the gut-skin axis and the development of dermatological conditions like atopic dermatitis, psoriasis, alopecia areata, and acne, and discusses the potential of probiotics in reshaping the microbiome to alleviate these skin issues.

This study found that patients with androgenic alopecia rated their hair loss as more severe than dermatologists did, affecting their quality of life significantly.

This review discusses the various determinants of hair quality in healthy individuals and reports no new clinical results; the authors emphasize the need for independent trials with standardized outcomes.

This study discovered that androgenetic alopecia disrupts the scalp microbiome balance across the whole scalp, not just areas with hair loss, and introduced a microbial index for early detection and severity prediction.

In this study, researchers observed significant differences in microbial composition between UV-induced fluorescent and non-fluorescent scalp areas in patients with androgenetic alopecia, noting a higher abundance of Cutibacterium in the fluorescent regions.

This study found that both patients and physicians expressed dissatisfaction with disease control in systemic lupus erythematosus, with patients showing greater dissatisfaction than physicians regarding symptoms.

This study observed that the cutaneous microbiome in psoriasis patients differs both qualitatively and quantitatively from healthy individuals, suggesting a potential link to psoriasis pathogenesis.

This review discusses how functionalized hydrogels can modulate the microbiome to aid tissue regeneration and infection control, highlighting their potential to deliver therapeutic agents effectively and support beneficial immune responses.

This review highlights recent advancements in engineered probiotics for wound healing, reporting that genetically engineered strains of Lactobacillus reuteri and Lactococcus cremoris have shown promise in promoting faster wound healing in pre-clinical and clinical settings, particularly for diabetic foot ulcers.

This study found that dandruff-afflicted individuals had a less integrated microbial network on the scalp and hair surface compared to healthy individuals, with more positive interactions and unstable connections.

This review discusses the use of microbial biosurfactants as a safer alternative to chemical surfactants in cosmetics due to their antibacterial, moisturizing, and low toxicity properties, but it reports no new clinical findings.

This study found that thymic stromal lymphopoietin (TSLP) promotes hair growth after skin injury by enhancing the proliferation of specific stem cells in hair follicles.

This review categorizes 59 modifications of the Dermatology Life Quality Index across multiple studies, highlighting the need for further validation of these customized health-related quality of life tools in dermatology.

In this randomized controlled trial, oral intake of the probiotic Latilactobacillus curvatus LB-P9 significantly improved hair luster, elasticity, and participant satisfaction in individuals with mild to moderate hair damage compared to placebo, without significant adverse effects reported.

This review highlighted significant properties of probiotics that can promote hair growth and reduce dandruff, offering guidance for future research to scale these findings to pilot studies.

This study found significantly higher levels of Toll-Like Receptor 4, interferon gamma, and interleukin-17 in Iraqi patients with alopecia areata compared to controls, suggesting these immune markers play a crucial role in the disease's development and could be targets for future treatments.

In this case-control study, researchers investigated the association between SIRT1 gene polymorphisms and colorectal cancer risk, finding no statistically significant differences in polymorphism frequencies between patients and controls, but noted trends that warrant further study in larger populations.

This study observed that vermiwash application can enhance soil microbial activity and sustain crop yields, matching or slightly trailing traditional fertilizers, while offering additional plant health benefits.

In this study, researchers developed vegan exosome-like vesicles from microalgae that mimic mammalian exosomes, demonstrating promising in vitro, ex vivo, and clinical effects such as improved wrinkle depth and elasticity, making them a potential alternative in cosmetic applications.

In this study, dermatophytosis was prevalent among 52% of dogs and 70% of cats with skin lesions, with younger animals facing higher infection risks; combined itraconazole, clotrimazole, supportive care, and vaccination led to the fastest recovery.

In this study, grape seed oil was found to be the most effective herbal oil for improving gloss and reducing fractures in various hair types.

This study found that Hashimoto's thyroiditis and alopecia areata show distinct gut microbial patterns, with specific microbes like Bacteroides fragilis and Microbacterium sp. T32 potentially linked to autoimmune activity.

This study found that fermenting Dendrobium officinale with Lactiplantibacillus plantarum CCFM8661 and other strains increased polysaccharide yields and skin care activity, particularly with CCFM8631, which showed significant improvements in skin cell protection and inflammation reduction in both cell cultures and mouse models.

This study found that control of Demodex mite colonization in mice required skin ILC2s and IL-13, highlighting their role in maintaining HF integrity and limiting mite overgrowth.

In this study, consuming a healthy, plant-based diet was associated with reduced skin inflammation and improved overall skin health, while the potential benefits of probiotics, synbiotics, and postbiotics for skin inflammation and tissue regeneration require further investigation.

This study found that PDRN derived from Lactobacillus rhamnosus showed superior antioxidant and wound-healing properties compared to salmon-derived PDRN, while also offering potential benefits in immune modulation and bioavailability.

This review evaluates the potential of natural products from marine microorganisms for cosmetic applications and reports no new experimental results, highlighting challenges and prospects in their use.

This study validated a new test method using a patented chamber to measure the efficacy of a sunscreen in reducing carbon black particle adhesion, with a 55% reduction observed on treated skin in a group of 22 women.

This review highlights the critical role of microRNAs in regulating hair follicle biology, significantly impacting wool and cashmere development by modulating gene expression and signaling pathways in sheep and goats.

This study demonstrated that a multifunctional hydrogel containing Prussian blue nanozymes and an ultrasound-responsive nitric oxide donor improved healing in diabetic wounds by reducing oxidative stress, promoting angiogenesis, and enhancing tissue repair in animal models.