December 2025 in “Sustainable Chemistry One World” 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.
November 2025 in “Cosmetics” This study evaluated a hair mask containing rice germ oil GX-N and ferulic acid on damaged hair and found that rice germ oil GX-N improved hair characteristics after bleaching, UV, and heat exposure, but adding ferulic acid did not provide extra benefits.
August 2024 in “Cosmetics” In this study, a bleaching protocol was developed to evaluate hair repair products, revealing that K18® and Olaplex® improve hair brightness and lightness, with distinct impacts on hair fiber properties.
Hair can't be as strong as Rapunzel's because it's impractical to scale up due to defects.
September 2025 in “International Journal of Cosmetic Science” This study found that for straight hair, friction mainly influences fragment formation during combing, suggesting no direct connection to tensile fatigue failure, while with textured hair, combing performance may be more complex.
1 citations
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November 2025 in “Molecules” This review highlights the potential of ellagic acid for treating various skin conditions due to its antioxidant, anti-inflammatory, and depigmenting properties, but notes that novel formulations are needed to overcome its poor solubility and skin permeability to enhance clinical efficacy.
28 citations
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May 1998 in “Skin Research and Technology” This study characterized the stress-strain properties of the human scalp and found that its stiffness increases significantly with load, providing valuable insights for planning scalp surgery procedures.
September 2026 in “Journal of Aesthetic Medicine” This review discusses the various determinants of hair quality in healthy individuals and reports no new clinical results; the authors emphasize the need for independent trials with standardized outcomes.
October 2024 in “Cosmetics” In this study, reducing agents like ammonium thioglycolate, L-cysteine, and sodium sulfite in shampoo effectively decreased hair flyaway and frizz without causing damage, as no critical hair damage was observed in structural and tensile strength assessments.
September 2025 in “Clinical Cosmetic and Investigational Dermatology” This review highlights that while moderate physical activity benefits skin health by improving circulation and reducing stress, intense exercise or inadequate protective measures can harm the skin, emphasizing the need for sun protection and personalized care.
13 citations
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November 2012 in “International Journal of Dermatology” This study of African-American women found that those perceiving greater hair breakage showed lower break stress and higher premature failure rates, linked to grooming practices and hair curvature.
July 2023 in “Research Square (Research Square)” This study developed finite element models to examine skin's biomechanical properties, finding that structural heterogeneities like Rete ridges and hair follicles create distinct stress and strain patterns that may influence mechanosensation and skin integrity.
40 citations
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July 2017 in “Frontiers in Medicine” This review highlights that in children, hair loss can be attributed to diverse conditions like alopecia areata and tinea capitis, and stresses the importance of a holistic approach to diagnosis and management, including psychosocial support due to limited effective treatments.
6 citations
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December 2018 in “International Journal of Cosmetic Science” In this study, hair samples from Mexican women were found to be intermediate in diameter and shape between Asian and Caucasian hair, exhibiting high intra- and inter-individual variability and unexpected levels of tensile damage.
September 2023 in “Asian journal of beauty & cosmetology” In this review paper, the authors explored the composition and role of lipids in human hair, highlighting their importance for hair texture, moisture retention, and tensile strength, while noting that the understanding of hair lipids' functions remains controversial and requires further research.
9 citations
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January 2016 in “Journal of Controlled Release” This study found that applying controlled hypobaric stress to the skin significantly improved the in vitro and in vivo penetration of macromolecules, facilitating enhanced drug delivery.
19 citations
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August 2024 in “Journal of Translational Medicine” This review explores recent advancements in understanding how various physiological and psychological factors, such as stress and aging, influence epidermal stem cell populations, highlighting their importance in immune-related skin disorders and potential for clinical applications.
In this study, researchers developed an environmentally friendly hair coating from casein proteins and tannic acid, enhancing the tensile strength of virgin Asian hair by approximately 21% compared to untreated hair, while maintaining elasticity.
22 citations
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September 2019 in “ACS omega” This study found that AGO@HPC nanocomposite films demonstrated enhanced mechanical, anti-ultraviolet, and antibacterial properties, suggesting potential for use in antibacterial packaging and wound-dressing applications.
22 citations
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June 2024 in “Health Science Reports” This review highlights the growing use of 3D printing in healthcare, specifically its impact on plastic surgery and prosthetic devices, and stresses the need for further research to address existing knowledge gaps.
20 citations
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December 2021 in “Plants” This review concludes that Tamarix aphylla, used traditionally for ailments such as tuberculosis and hepatitis, demonstrates various pharmacological activities, including antidiabetic and wound-healing effects, but stresses the need for further research to confirm its safety and effectiveness in humans.
13 citations
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May 2016 in “International journal of biological macromolecules” This study demonstrated that molecular dynamics simulations of keratin could effectively model the mechanical properties of hair, aligning well with experimental data, especially when conducted in vacuum conditions.
9 citations
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August 2024 in “Frontiers in Pharmacology” This review evaluates the potential of natural products and medicinal plants for myocardial infarction treatment, highlighting their therapeutic promise and mechanisms such as reducing oxidative stress and inflammation, but reports no new clinical results.
6 citations
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October 2018 in “Bioelectromagnetics” This study found that treating a 3D hair dermal papilla model with rice bran extract and electromagnetic fields increased melanogenesis, suggesting potential for vitiligo and white hair therapies.
3 citations
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January 2025 in “Burns & Trauma” In this review, the authors describe how glucose metabolism supports various stages of wound healing by providing energy and necessary substances, noting that abnormal glucose metabolism in chronic wounds increases oxidative stress and inflammation, significantly hindering healing.
July 2026 in “Pharmaceuticals” This review discusses the potential of marine-derived polysaccharide nanofibers as advanced wound dressings, highlighting their regenerative advantages in addressing inflammation, oxidative stress, and other healing barriers. However, it notes that clinical translation is limited by challenges in standardization, evidence, safety, and production scalability.
June 2026 in “Frontiers in Cell and Developmental Biology” 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.
January 2025 in “Scripta Medica” This review suggests that natural compounds, particularly hydrolates, may improve burn wound healing and counter antibiotic resistance through their anti-inflammatory, antioxidant, and antimicrobial properties, offering promising complementary interventions.
October 2024 in “Applied Sciences” In this study, tubular 3D bioprinted structures made from sodium alginate and gelatin, containing NIH/3T3 fibroblast cells, demonstrated the ability for cell growth and network formation over 6 weeks, although structural tensile strength decreased with cell growth and polymer degradation.
This study found that human hair exhibits significant deformation in its intermediate filaments under strain, with recovery taking about 1000 minutes, suggesting a self-healing period post-mechanical stress. Additionally, cuticle scales deform much less than the cortex, and the Poisson ratio aligns with soft matter properties.