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Hair analysis can offer clues about a person, but individual differences limit making precise identifications.

This study reviewed the principles and classifications of hair dyes, identifying significant differences between oxidative, temporary non-oxidative, and semi-permanent non-oxidative dyes in terms of duration, application methods, and potential risks, which could help improve safety and convenience in hair dye use.

In this review, researchers examined how needle gauge and length impact the viability of human stem cells during injections, emphasizing the balance between minimizing tissue trauma and preserving cell viability to optimize clinical protocols.

In this study, a polyherbal hair serum containing extracts of hibiscus petals and amla fruits showed significant antifungal activity against Candida albicans and exhibited satisfactory stability, physicochemical properties, and potential for improving hair health and reducing dandruff.

Hair shaft disorders often indicate genetic or systemic issues and are managed by minimizing damage.

This review highlights that microscopic analysis of human scalp hair remains crucial in forensic science for crime scene investigations, despite limitations such as subjectivity and potential misidentification, and notes that integrating DNA analysis and digital imaging could enhance accuracy.

This study explains the formulation and evaluation of a natural polyherbal shampoo, which effectively colors hair and provides conditioning without the dermal and systemic toxicity risks of synthetic dyes, offering an effective alternative to conventional products.

This study used a 3D live imaging system to map cell dynamics in human hair follicles, revealing patterns of cell movement and division that help explain hair fiber extrusion during hair growth.

This study explored the stem of Moullava spicata and found it to be rich in secondary metabolites and natural antioxidants, showing significant concentration-dependent antioxidant activity, which supports its ethnomedicinal use and provides a basis for further pharmacological research.

In this study, researchers developed and tested a herbal hair serum using hibiscus, flaxseed, and aloe vera, finding that the optimal formulation effectively reduces frizz, enhances hair smoothness and glossiness, and provides moisturizing benefits without harmful ingredients compared to conventional hair serums.

This study highlights how examining hair histology under a microscope helps forensic analysts identify animal species by distinguishing specific microscopic features, which supports accurate reference database creation and aids crime scene investigations.

This study analyzes the application of a new hair serum incorporating natural ingredients like Aloe vera and ginger, finding it potentially beneficial for managing hair frizz, improving smoothness, and preventing damage without significant adverse reactions.

This study describes a functional disorder in the ovary, known as stromal hyperplasia, characterized by the proliferation of ovarian stroma and luteinization of stromal cells, which is linked to excessive androgen production and elevated testosterone levels.

This study introduced a novel, weakly supervised method for segmenting hair in Scanning Electron Microscope images using simple image-level annotations, achieving over 30% improvement in mean Hausdorff Distance compared to Unet and SAM, while enhancing interpretability and refinement.

This review discusses the role of nutrients in hair graying management and finds a possible link between low copper, iron, and vitamin B12 levels and premature hair graying.

This study found that hair with lower levels of keratin associated proteins reduced the foreign body response in mouse subcutaneous implant tests compared to hair with higher keratin levels.

This review discusses the potential of plant-based preparations for treating hair loss and reports no new clinical results; the authors highlight herbs with evidence of efficacy against alopecia.

This study found that hirsutism in women is associated with elevated androgen hormone levels and increased serum TNFα, suggesting a link between androgen-driven inflammatory responses and excessive hair growth.

In this study, black rice extract ointment was found to enhance hair follicle growth in Wistar rats, with 10% to 30% formulations showing progressively greater hair growth after 21 days, attributed to the high antioxidant content.

This study explored the development of herbal hair gels using natural extracts like flaxseed and guava leaves, targeting the reduction of dandruff and regulation of hair loss through antimicrobial and anti-inflammatory properties, though specific results of efficacy are not reported.

This source reviews the application of various natural substances, particularly plant extracts from the Ayurvedic system, in promoting hair growth, addressing common issues like pigmentation, dandruff, and hair loss.

This review discusses various non-invasive methods for diagnosing alopecia areata, highlighting that trichoscopy signs like short vellus hairs and yellow dots are sensitive indicators of the condition, while advanced imaging techniques provide valuable information on hair follicle status and scalp inflammation.

This review discusses the potential risks of formaldehyde in hair keratin treatments like Brazilian blow-dry, and reports no new clinical results; it emphasizes the need for greater safety assessments including occupational exposure.

This case series describes seven distinct hair shaft disorders, highlighting the importance of accurate diagnosis since these conditions are often treated incorrectly as alopecias without improvement.

This study found that Ecklonia cava extract increased skin hydration and decreased redness, suggesting potential benefits for protecting and repairing scalp skin from pollutant-induced damage.

This review discusses the genetic disorder, monilethrix, characterized by fragile, brittle hair and its inheritance patterns, and reports no new clinical results.

This study described a 15-year-old male with axillary hair infection, successfully treated with topical clindamycin.

This article reviews the complications and health risks associated with polycystic ovary syndrome and reports no new clinical findings.

This study found that fish oil supplementation in male Wistar albino rats helped maintain hair shaft structure and improved amino acid composition, while reducing harmful protein compounds associated with diabetes and hypercholesterolemia.

Aging causes hair to gray and thin, with the timing of graying varying by race, and factors like oxidative stress and genetics can lead to hair loss.