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This review discusses age-related and environmental factors affecting scalp hair changes in women, highlighting diagnostic complexities and ongoing research into targeted treatments, without reporting new clinical results.

This study reports that using stamps to mark scalp incisions with gentian violet ink and a barrier film improved incision symmetry and maintained slot visibility for hair graft insertion in the frontal region.

This study observed that long-term UV-A exposure and semi-permanent dye treatment can cause significant structural damage to human hair, particularly affecting the cuticle and cortex layers.

In this study, exposure to m-Aminophenol in human keratinocytes altered the expression of thousands of genes involved in inflammation and stress responses, suggesting potential biomarkers for MAP-induced skin toxicity.

This study found that putative hair follicle stem cells can successfully be cultured from the bulge area of hair follicles for up to four days, suggesting potential for further development of culture techniques.

This study confirmed the presence of cells in the hair follicle bulge area and outgrowth of putative stem cells, suggesting potential for further development in stem cell culture techniques.

Environmental, chemical, mechanical, and personal health factors can all damage hair and contribute to hair loss or changes in hair quality.

Henna orange powder, especially with alkali, protects and colors hair better than oxidizing colorants.

Certain hairstyles can cause scalp diseases, smoking is linked to hair loss, 5% minoxidil foam is effective for hair loss treatment, and various factors influence wound healing and hair growth.

This observational study reports a striking correlation between the use of henna hair dye and a specific pattern of hair loss, termed "hennapecia," but calls for experimental research to determine causality.

A new method helps understand hair shine and various products improve hair care.

Chemical treatments damage hair more than UV exposure, making it thinner and less flexible.

This study found that permanent dye application causes initial swelling and subsequent degradation of the hair cuticle, with recovery taking more than 8 weeks to approach pre-treatment conditions.

This book reviews the biology and clinical assessment of both normal and abnormal hair growth, providing a detailed examination of various hair and scalp diseases but reports no new research findings.

This study from Los Angeles supports the idea that using permanent hair dye may increase bladder cancer risk in US women, especially those with a slow NAT2 acetylation phenotype.

This article reviews the classification and treatments of vascular anomalies, such as hemangiomas and vascular malformations, and reports no new clinical results; it emphasizes the importance of managing patient expectations due to treatment limitations.

This study found that the alcoholic extract of Eclipta alba exhibited dose-dependent antianaphylactic effects in animal models, possibly due to membrane stabilization and reduced histamine release.

In this study, frequent use of hair straighteners/relaxers and pressing products was associated with an increased risk of ovarian cancer, with potential variation in risk by tumor type noted for permanent hair dyes.

This study demonstrated that human hair keratins have strong antioxidative properties, providing protection against oxidative stress in human dermal fibroblasts, suggesting their potential as antioxidizing supplements.

This case report suggests that a cutaneous microbial biofilm could be an underlying cause of red scrotum syndrome, based on the observed onset and treatment response in one patient.

This study found that the new HCC additive enhances the permeation of pigments and active ingredients into hair, suggesting potential use in developing functional cosmetic hair products.

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.

Merkel cells likely attract sensory nerve fibers.

This review concludes that herbal nanoemulgel-based hair dyes, incorporating natural ingredients, enhance dye penetration and retention while providing additional hair and scalp health benefits compared to conventional dyes, though further studies are needed to confirm long-term safety and efficacy.

This review highlights that herbal nanoemulgel-based hair dyes, enriched with natural ingredients, improve dye penetration and retention and offer additional hair and scalp benefits compared to conventional dyes, although further research is necessary to verify their safety and efficacy for long-term use.

This study reports the development of a natural hair-coloring system using size-controlled ink particles from cuttlefish ink combined with chitosan, achieving darker and more uniform black coloration on hair than existing plant-based natural colorants, without the need for metallic mordants.

This study developed a natural hair dye using Coreopsis tinctoria Nutt. extract, finding that it produced yellow to dark brown colors depending on the treatment, with ferrous lactate enhancing dye performance and color stability after washing.

In this study, researchers formulated a herbal hair dye with natural ingredients, including Barleria prionitis, and found it to be stable, effective, and a promising natural alternative to chemical dyes, enhancing color intensity and hair conditioning compared to formulations without this component.

In this study, researchers found that mangosteen pericarp extract, combined with FeSO₄ as a mordant, effectively produced a stable reddish hair dye on bleached hair, with good color persistence and enhanced tensile strength, indicating its potential as an eco-friendly and safer alternative to synthetic dyes.

This study conducted a comprehensive pharmacognostic and phytochemical analysis of Sphagneticola calendulacea stem, identifying tannin-filled cells, various secondary metabolites, and significant physicochemical characteristics, which could aid in authenticating the plant for therapeutic use.