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This study analyzed gray hair, revealing that it differs from pigmented hair in follicular activity, oxidative balance, and structure, impacting coloring processes and necessitating adapted techniques to maintain hair quality.

In this study, researchers found that gender-diverse individuals experience higher depression and anxiety levels than cis-gender heterosexuals and exhibit lower hair cortisol levels, suggesting a potential link to health disparities possibly driven by trauma-, fatigue-, and pain-related conditions.

This study found that factors released by mesenchymal stromal cells can enhance the proliferation and migration of keratinocytes in vitro, which may contribute to improved understanding of their role in wound healing and potential applications in dermal regeneration therapies.

This study analyzed how professional hairstyling practices cause thermal damage to human hair, focusing on heat exposure and product use, and proposed a protocol for minimizing damage with heat protection strategies and optimal temperature recommendations.

The study analyzed how professional hairstyling practices, such as excessive heat and product use, cause thermal damage to hair, and it proposed a protocol that includes heat protection strategies and optimal temperature ranges to minimize this damage for hairstylists.

Self-collected hair samples can measure stress but may need adjustments for accuracy.

In this study, oral administration of wheat sprout extract significantly protected rats against skin damage caused by acrylamide exposure by enhancing antioxidant defenses, reducing oxidative stress, and preserving skin structure, highlighting its potential as a sustainable protective agent against environmental skin toxins.

This study found that collecting hair samples for cortisol analysis is feasible in community-dwelling individuals with longstanding multiple sclerosis, although no significant correlation between hair cortisol levels and perceived chronic stress was observed, highlighting the complexity of stress measurement in this population.

This study found that overexpressing the CLE peptide SlCLE10 in tomatoes increased root hair length and improved drought tolerance, suggesting its potential for enhancing crop resilience to osmotic stress.

This review highlights recent advancements in nanotechnology-based approaches for treating androgenetic alopecia, focusing on enhancing drug delivery to hair follicles, controlled release, and follicular microenvironment modulation, while addressing safety, manufacturing, and regulatory challenges for clinical application.

This study highlights emerging regenerative strategies, such as stem cell-derived therapies and machine learning tools, that may advance hair loss treatment beyond traditional methods by promoting follicle regeneration and offering personalized care.

In this study, a Monte Carlo-generated synthetic cohort analysis found that higher simulated cannabis exposure was linked to increased self-assessed hair loss severity and reduced follicular density, suggesting potential connections worth exploring in further clinical research.

In this study, researchers explored the formulation and effectiveness of herbal shampoos, finding that these products offer a gentler hair care alternative that promotes hair health and addresses scalp issues, while also encouraging sustainable beauty practices and consumer awareness.

In this study, herbal shampoos containing extracts like aloe vera, hibiscus, and tea tree oil were found to improve hair health, offering gentler options for sensitive skin and supporting sustainable beauty practices, compared to conventional chemical shampoos.

This study presents a novel drug delivery system combining finasteride and cerium oxide nanoparticles, which successfully reversed cellular senescence and promoted hair regeneration in androgenetic alopecia mouse models, showing efficacy comparable to, and sometimes better than, minoxidil.

This scoping review aims to map current knowledge about treatment strategies for alopecia caused by VPA (valproic acid) across various patient groups, identifying reported management strategies, supporting evidence, observed outcomes, and areas needing further research, but results are not provided.

This study found that the 15-PGDH inhibitor DPP improved endothelial function in hair-related cells exposed to DHT by reducing oxidative stress and enhancing angiogenic capacity.

This study found that measuring stress biomarkers in hair could be an effective and simpler method for assessing chronic stress in rats, potentially offering a novel alternative to serum tests with biomarkers including sodium, calcium, and cortisol.

This review identified emerging therapies for androgenetic alopecia, such as low-dose oral minoxidil and stem cell-based treatments, which show promise for improved hair loss management but require standardized protocols and large-scale trials for further validation.

This study reported that fermented yeast complex extract may promote hair regrowth by modulating antioxidative and anti-inflammatory pathways in dermal papilla cells and increasing hair follicle numbers in an animal model.

This study introduces a spherical skin model that effectively mimics key features of human skin, offering a scalable and rapid alternative for non-animal dermatological and cosmetic testing.

This study found that while pulverization yielded slightly higher hair cortisol extraction, the significant interindividual differences observed suggest that any of the methods could be used effectively.

In this simulation study, higher cannabis exposure was associated with increased hair shedding severity and reduced follicular density, with greater effects observed in female-assigned profiles, but these associations are based on modeled data and not clinical observations.

This simulation study found that higher cannabis exposure in a virtual population was associated with increased hair shedding severity and reduced follicular density, but these results are based on modeled data and cannot establish causal relationships.

In this study, a new topical formulation containing amine-activated carboxymethyl chitosan and hydrolyzed extracellular matrix showed promising results in a mouse model by reducing oxidative stress, inflammation, and promoting hair regeneration, potentially offering an alternative treatment for inflammatory hair loss.

This study found that individuals with a recent history of suicide attempts exhibited altered DHEA hair levels, suggesting possible dysregulation of the HPA axis as a biopsychosocial feature, and recommends further investigation into hair hormones as potential markers of suicidal crisis and vulnerability.

This study found that Melamax®, originally developed as an eco-friendly hair dye, provides significant protection against ultraviolet-induced oxidative and inflammatory damage in keratinocytes by modulating gene expression and signaling pathways, highlighting its dual potential for cosmetic coloration and skin photoprotection.

This study reported a case of acute kidney injury and toxic contact dermatitis in a 25-year-old woman following exposure to a glyoxylic acid-containing hair straightening product, highlighting glyoxylic acid's potential role in cutaneous and renal complications and underscoring the need for stronger regulation and awareness.

This study suggests that human DSCCs may aid in hair follicle regeneration and reduce microinflammation, with potential applications in regenerative medicine evaluated through a new morphometric analysis.