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The document describes a method for preparing hair for microscopy by embedding it in plastic, cutting it, and storing it cold before imaging.

This review highlights the importance of standardizing pre-analytical procedures for collecting and extracting samples from uncommon biological specimens like breast milk and sweat in clinical metabolomics, to enhance diagnostic and biomarker discovery efforts while minimizing contamination and bias.

This study determined that caffeine content in anticellulite gels was between 0.7% and 1.7%, and about 1.0% in hair-care products.

This study found that a simple two-step method for preparing platelet-rich plasma produced satisfactory quality at a lower cost compared to many commercial systems, enabling smaller medical institutions to utilize PRP therapy.

This review discusses the critical parameters for MALDI IMS sample preparation in skin analysis and highlights its applications in wound healing, neoplasia, and infection research, but reports no new clinical results.

This study reports an improved method for determining blood type from human hair using immunohistochemistry.

This study found that LC-MS/MS assays provided more reliable and precise steroid measurements in human serum compared to traditional immunoassays, particularly at lower concentrations.

This review highlights that human hair is a valuable biological matrix for clinical and toxicological analyses, demonstrating its applicability in detecting various active substances from different pharmacological classes.

This review presents evidence that correlations exist between hair mineral imbalances and various diseases, though inconsistencies in results highlight the need for standardized preparation methods.

This review outlines a systematic method for diagnosing hair loss and presents no new findings; the authors emphasize the importance of biopsy in cicatricial alopecia cases.

This study developed a simple method to prepare highly concentrated, resting platelet-rich plasma suitable for cell therapy, effectively preventing clotting while maintaining platelet reactivity and minimizing hemorrhage risk.

Three new techniques simplify and improve the preparation of tissue samples for skin cancer surgery.

Hair testing is a reliable method for detecting workplace drug use when done with proper sample preparation and confirmation.

This study developed and validated a simple and cost-effective spectrophotometric method to accurately determine Aminexil in cosmetic formulations containing niacinamide and pyridoxine.

This systematic review found that topical adenosine may increase hair thickness and density while reducing hair loss, but the strength of evidence is low due to issues with trial design and sample size.

This study reported that a new extraction technique using cautery and forceps is a simple, effective treatment and diagnostic procedure for eruptive vellus hair cysts, with no recurrence after 4 months.

This article outlines a protocol for scanning electron microscopy of murine skin and primary keratinocyte monolayers, providing a guide for sample preparation and examination.

This review discusses diagnostic methods for superficial cutaneous fungus infections in children and reports no new clinical results; the authors emphasize affordable, simple testing for confirmation.

This study reports that finasteride chewable tablets may be effective in treating benign prostatic hyperplasia due to their stable formulation and ease of production.

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 found that dutasteride-loaded nanostructured lipid carriers coated with a stearic acid-chitosan oligomer are stable, less cytotoxic, and suitable for topical delivery to promote hair growth.

This study reported that optimized nanocrystalline CuAlO2 thin-film transistors exhibited a threshold voltage of −1.3 V and may contribute to advancements in low-cost complementary metal oxide semiconductor logic circuits.

This study reported that keratin films lacking keratin-associated proteins showed different appearance, structure, and color deposit properties compared to conventional keratin films, suggesting potential for evaluating hair damage.

In this study, using a 16G epidural needle for preparing the recipient area in hair implantation minimized grafts popping out and resulted in a natural-looking hairline with satisfactory graft survival.

This study details a step-by-step protocol for preparing mammalian skin samples, including hair follicles, for spatial transcriptomics to overcome challenges inherent in applying this technique to the skin.

This article reviews the steps and methods involved in preparing skin tissues for three-dimensional volumetric imaging, highlighting its potential to provide detailed insights into skin structure not possible with traditional 2D histology, but reports no new findings.

In this study, PRP treatment for scalp hair restoration, combined with finasteride and minoxidil, resulted in reduced hair fall, stronger hair, and satisfactory regrowth in patients, with a satisfaction level of up to 90%.

Collagen CLR and placenta extract may help treat diffuse hair loss.

This study found that optimizing chitosan-tripolyphosphate nanoparticles can enhance the sustained percutaneous delivery of caffeine, with certain conditions affecting stability and release rates.

This study demonstrates a sample preparation method for wool follicles that allows for clear keratin labeling and ultrastructural preservation in microscopy, reducing common artefacts from conventional fixation techniques.