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This study found that dimethylpabamidopropyl laurdimonium tosylate, a quaternary ammonium surfactant, adsorbs onto human scalp hair with kinetic and isotherm behaviors fitting specific models, changing hair fiber wettability from hydrophobic to hydrophilic.

This review discusses various applications of nanoemulsions in drug delivery and reports no new clinical results; it highlights the patents that cover these applications.

This study found that melatonin exposure promoted hair follicle fiber growth in Cashmere goat cultures, potentially influencing pathways related to the microvascular system and extracellular matrix.

This study found that the protein hairless acts as both a corepressor and coactivator of the vitamin D receptor, influencing gene transcription in a ligand-selective manner.

This review summarizes the promising role of melatonin combined with nanosized carriers in drug delivery, suggesting enhanced effectiveness in treating various diseases compared to free melatonin.

This study found that neural crest-derived hair follicle cells in mice can differentiate into osteoblast-like cells, suggesting a potential application for bone regenerative therapies.

This study observed that mice with a Cx43 mutation exhibited slower and asynchronous hair regrowth with severe cuticle weathering, mimicking aspects of hair phenotype in some ODDD patients.

In this study, luteolin-loaded nanoemulsions were shown to promote hair growth similarly to a luteolin solution in organic solvents, offering enhanced stability for follicular delivery.

This study reports that the dye peri-xanthenoxanthene (PXX) can act as an efficient photocatalyst for various radical reactions, including complex dual catalytic processes and the synthesis of an investigational drug intermediate.

This review discusses various therapeutic options for alopecia areata and reports no new clinical results; treatments may manage symptoms but do not cure the condition.

This study reported that 5 alpha-reductase type 2 is the predominant enzyme in pubic skin fibroblasts across normal men, women, and hirsute patients, suggesting potential treatment options for idiopathic hirsutism.

This research indicates that KCED-1 and KCED-2 effectively induce adiponectin production in human subcutaneous fat, which may promote hair growth on the scalp.

This study found that deleting Snai2 and Snai3 genes in mice disrupts immune cell development, resulting in severe autoimmunity and early death due to the loss of immune tolerance.

This review discusses the role of skin enzymes in drug metabolism and emphasizes the need for models assessing enzyme activity to evaluate the safety and bioequivalence of topical generic drugs, highlighting efforts to standardize testing protocols for transdermal products.

This study found that a combination of cantigi and henna leaf extracts, in a 1:2 ratio, demonstrated the strongest antioxidant activity with an IC50 value of 29.85 µg/mL.

This study developed a novel smart deoxyribozyme-based fluorescent sensor that efficiently detects androgen receptor mRNA with high selectivity and can be adapted to target various nucleic acid sequences.

This study used a zebrafish model and advanced mass spectrometry to identify 11 metabolites of epristeride, revealing significant effects on purine metabolism and aromatic amino acid biosynthesis, which may aid in developing anti-doping detection methods.

This study introduced an innovative antioxidant serum for skin care, using a lipid active from Rana catesbeiana Shaw, and validated its rejuvenating potential through physical-chemical and microbiological tests that ensured its antioxidant effectiveness, microbiological safety, and formulation stability.

This study on Dorper sheep identified important genetic factors influencing hair follicle development, finding that expression patterns and genes like DBI, FZD3, and ZDHHC21 play a crucial role in wool shedding, which could help improve understanding of mammalian skin-related traits and human hair advancement.

In this in silico study, researchers found that the hair follicle's contribution to dermal permeability of small molecules varies with the lipophilic and hydrophilic properties of substances, highlighting the need for careful characterization of substances filling the follicular route when interpreting experimental permeability data.

This study suggests that measuring cortisol levels in hair may serve as a useful biomarker for assessing mood in individuals with bipolar disorder over recent months.

This study examines the use of diphenylcyclopropenone in treating alopecia areata patients at the University Hospital Würzburg and investigates how the treatment affects patients' quality of life.

This study found that covalently binding antimicrobial agents to hair shafts provided antibacterial activity against dandruff and odor-associated bacteria, which remained effective even after several washes.

This study suggests that unliganded vitamin D receptors in mice may cause more severe skeletal and mineral ion defects than VDR-null conditions, and vitamin D analogues may restore function in specific VDR mutations.

Certain skin drugs and topical agents, including some natural extracts and fragrances, can cause allergic reactions. Some hair dyes and extensions, as well as minoxidil, a hair growth treatment, can also cause allergies. Botulinum toxin A can effectively reduce sweat but may have temporary side effects.

This chapter reviews studies on the side effects of cytostatics and immunosuppressive drugs, detailing various toxicities such as cardiovascular, pulmonary, and neurotoxicity, but provides no new clinical results.

This study found that finasteride and melengestrol acetate exhibit varying levels of toxicity to freshwater mussels, amphipods, and mayflies, but current environmental concentrations suggest minimal direct effects on these aquatic invertebrates.

This review discusses the potential of lecithin organogels for improving topical drug delivery and presents no new experimental results; the authors highlight their stability and low skin irritancy as advantages.

This review discusses the extraction, purification, modification, and biological activity of polysaccharides from Traditional Chinese Medicine and reports no new research findings.

This study found that ethinylestradiol and high-dose cyproterone acetate significantly reduced hirsutism scores and were effective for treating acne and alopecia in women with hyperandrogenism.