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Hair treatments like bleaching increase friction by exposing tiny pores on the hair surface.

This study found that minor ginseng saponin F2 may promote hair growth more effectively than finasteride by enhancing anagen induction and modulating the Wnt signaling pathway in cell and mouse models.

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 study investigated the tensile response and morphological changes of different ethnic hair types using AFM, showing variations between virgin, chemically damaged, and conditioner-treated Caucasian hair under different conditions.

This review explores recent findings on the roles of melanocyte and melanocyte stem cells in the hair follicle, highlighting their importance for skin health and potential applications in regenerative medicine, but reports no new clinical results.

This study concluded that finasteride is a viable first-line treatment for moderate uncomplicated benign prostatic hyperplasia, particularly in patients with larger prostates, by significantly reducing acute urinary retention and the need for surgery.

This review discusses the unique characteristics and disorders of Asian hair, emphasizing the need for more comprehensive studies in this area.

This review explores how colloidal drug delivery systems can enhance the stability, absorption, and bioavailability of phytochemicals, potentially rediscovering ancient compounds' therapeutic benefits and overcoming limitations like poor solubility and bioavailability.

This review explains how recent understanding of Wnt signaling regulation in hair follicles could potentially be used to enhance hair growth, but it reports no new empirical results.

This study suggests that true binary and ternary inclusion complexes were formed between finasteride and 2-hydroxypropyl-ß-cyclodextrin, with or without the addition of specific polymers.

This article examines the role and composition of integral hair lipids in forming a protective barrier similar to the skin's epidermal lipid layer and reports no new findings about their effects.

In this study, researchers developed a new self-administered finasteride delivery system using powder-carrying microneedles that improved hair growth efficacy and addressed safety concerns compared to topical finasteride gel by allowing sustained intradermal release of the drug for three days with a single application.

This study found that reducing HDAC1 activity in the skin of mice led to defects in hair follicle structure and pigmentation, highlighting HDAC's role in skin and hair maintenance.

This study suggests that human keratin fiber matrix has a well-defined nano-scale grainy structure rather than being amorphous, with grain size influenced by chemical treatments, temperature, humidity, and follicle-level factors.

This study found that using drug microplates in transdermal finasteride films enhances aqueous solubility and skin permeation compared to films with pure finasteride.

This review explores the use of skin penetration enhancers like Transcutol® in various formulation systems, discussing their mechanisms and effectiveness in improving transdermal drug delivery without breaching the skin.

This review outlines the current state of freeze-dried platelet-rich plasma (FD-PRP) research, emphasizing its use in wound healing, lumbar fusion, knee conditions, and dentistry, but reports no new clinical findings.

This study found that freeze-dried finasteride nanoparticles improved the stability, solubility, and in vitro dissolution of the drug, indicating potential benefits for poorly water-soluble drugs.

Hair fibers interact through classical forces, which are influenced by treatments and products, important for hair care and other applications.

This study found that forsythiaside-A, a natural compound from Forsythia suspensa, was more effective than finasteride at preventing apoptosis of hair cells and delaying the catagen phase entry in an androgenic alopecia mouse model.

This study found that Gsdma3 mutation in mice allows hair follicles to bypass a typical telogen phase and directly enter the anagen phase, suggesting Gsdma3's role in hair cycle transitions by regulating Wnt signaling.

This review discusses the pharmacological actions of mangiferin and the potential of delivery carriers to overcome its limitations, but reports no new clinical results.

This review discusses the potential of microneedle arrays for drug delivery and in the cosmetic market, but reports no new clinical results; factors for commercial therapeutic use are explored.

Pollution exposure speeds up hair damage.

This chapter reviews formulation principles for creating cosmetic nanoemulsions and applications targeting skin and hair care, but does not present new experimental results.

This study found that ginsenoside F2 may suppress hair cell apoptosis and improve hair growth outcomes in a DHT-induced hair loss model more effectively than finasteride.

This study indicates that transient Msx2 expression is critical for wound-induced hair follicle neogenesis, with distinct phases in the healing process essential for epidermal competence and hair regeneration.

This study analyzed gene expression changes during the autumn coat color change in mountain hares and found conserved gene regulation with snowshoe hares, highlighting its role in seasonal camouflage adaptation.

This study evaluated new aqueous gel formulations of minoxidil without irritants and found that the calcium alginate gel showed the best performance in terms of drug release and skin permeation.

This study found that compounds 21–23 and 25 exhibited strong 5α-reductase II inhibition in vitro and significantly reduced rat prostate weight, performing comparably to finasteride.