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In this study, researchers found that subjects with clinical alopecia had significantly higher levels of squalene in their hair bulbs compared to controls, suggesting squalene as a potential metabolic and pathogenic marker for certain alopecia conditions.

CD34 is a marker for isolating stem-like cells in mouse hair follicles.

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 chronic UVR exposure in mice and humans leads to a permanent loss of papillary fibroblasts in the upper dermis, which is associated with changes in the extracellular matrix.

This review discusses the epidemiology, risk factors, clinical features, and management of scalp melanomas, highlighting their high mortality rates and specific challenges in diagnosis and treatment; it reports no new research findings.

This review discusses the role of Foxc1 and type XVII collagen in hair follicle stem cell quiescence and aging, identifying mechanisms that relate to hair thinning and hair loss, and reports no new results.

This study conducted in situ tensile loading experiments with atomic force microscopy to observe how conditioning treatments affect the tensile response of virgin, chemically damaged, and mechanically damaged Caucasian hair.

This review study focused on various in vitro methods to evaluate skin permeation and retention of sunscreens, highlighting the importance of assessing sunscreen penetration due to widespread nanomaterial usage and advancements in cosmetic formulation.

This study found that silicone oil-in-water nanoemulsions using nonionic surfactants can enhance silicone oil absorption on hair, suggesting a promising method for hair care applications.

This study found that sulfur mustard affects hair follicles and sebaceous glands in the skin by causing cellular damage, inflammation, and disrupting wound healing processes in hairless mice.

This review discusses the role and mechanisms of unconventional lymphocytes in promoting tissue repair and maintaining mucosal barrier integrity in the skin, gut, and lungs, but reports no new findings.

This study found that the novel dot-block method can effectively measure early- and advanced-glycation products in hair, suggesting its potential for monitoring diabetes progression and other chronic conditions.

This review discusses unspecific factors involved in the pathogenesis of skin diseases and potential ways cytokeratin changes might alleviate these conditions, but reports no new clinical results.

This study found that subcutaneous adipose tissue-derived extracellular vesicles (AT-EVs) protect skin from photodamage by enhancing fibroblast proliferation and reducing oxidative stress compared to those from adipose-derived stem cells.

The researchers found that SPF50+ sunscreens provided the highest DNA protection against solar-simulated radiation in a reconstituted human epidermis model, with formulation type not affecting efficacy for a given SPF.

Loss of COL17A1 causes hair follicle stem cells to age and leads to hair loss.

This study examined argan oil inclusion complexes with β-CD, finding that these complexes improve the antibacterial efficacy, uniformity, and mechanical performance of hair treatment formulations while enhancing the durability of bleached hair, suggesting their potential as stable and effective cosmetic ingredients.

This study reports that topical finasteride significantly reduced scalp and plasma dihydrotestosterone in men and women without altering serum testosterone levels, with promising preliminary results.

This study reviews the biology and cosmetic treatment of hair, emphasizing future advancements in safer, more effective procedures to meet consumer needs for hair care.

In this study, a bleaching protocol was developed to evaluate hair repair products, revealing that K18® and Olaplex® improve hair brightness and lightness, with distinct impacts on hair fiber properties.

In this study, researchers found that Notch signaling is crucial for late-stage epidermal differentiation and postnatal hair cycle homeostasis by regulating hair follicle stem cell proliferation and differentiation.

This review examines the pH levels of various shampoos and reports no new clinical results, highlighting the potential importance of labeling pH values on shampoo packaging for hair and scalp health.

This study found that hair follicle stem cells from hidradenitis suppurativa patients showed alterations in cell cycle regulation and DNA replication, potentially linking genetic predisposition to the skin inflammation characteristic of the disease.

This review discusses the impact of melatonin and its metabolites on skin aging, summarizing how they may serve as "aging neutralizers" through their anti-oxidative and anti-inflammatory properties, but reports no new clinical results.

This study reported that 39.7% of Amargosa voles had mite-associated lesions, which may severely impact their health and fitness.

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.

Hair removal methods damage the skin barrier and affect substance penetration.

In this study, Nano-Pulse Stimulation Therapy successfully cleared up to 91% of melanoma tumors in mice with less skin damage compared to cryoablation, which cleared up to 66% of tumors.

In a study on mice, cow placenta extract showed strong antioxidant activities and reduced collagen damage, suggesting it could help delay skin aging caused by D-galactose.

This study demonstrates that a bioinspired peptide, PepACS, can efficiently and safely perm hair by interacting with keratin's sulfhydryl group without compromising tensile strength, and it shows potential for hair repair and dyeing applications in the hair care industry.