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This study found that the X-ray patterns of stretched mammalian hair (β-keratin) are similar to those of natural silk (fibrion), suggesting a similar elastic mechanism involving reversible intra-molecular transformations.

This study observed that the biophysical properties of hair in Caucasian females with brown hair significantly change with age, and smoking or being overweight was linked to smaller hair cross-sectional areas.

This study found that variations in mouse skin thickness, influenced by gender and hair growth cycles, significantly affect optical scattering measurements, which are important for developing biomedical optics techniques.

This study found that low-molecular-weight hyaluronate significantly improved the mechanical strength and elastic modulus of overbleached hair by enhancing hydrogen bond networks within keratin.

This study found that elastic liposomes enhanced skin delivery of genistein in haired skin compared to conventional liposomes, but showed decreased effectiveness in hairless skin.

This ex vivo study reported that melatonin significantly improved certain aging biomarkers in aged human skin, including reduced mTORC1 activity, increased fibrillin-1, and enhanced collagen and elastic fiber organization, though other key biomarkers remained unchanged.

This study suggests that age-related changes in skin elasticity reduce its stability against wrinkling, and anti-aging strategies should focus on addressing elastic mismatches between skin layers.

This study found that treatment with mercuric acetate modifies the elastic properties of Lincoln wool fibers more rapidly than human hair, explaining the enhanced unshrinkable quality of wool under certain conditions.

This study highlights the importance of understanding the rheological properties of hyaluronic acid fillers, including viscosity, cross-linking, and concentration, to optimize their use in addressing facial aging by maximizing clinical effects.

This study systematically characterized the nanomechanical properties of human hair, such as hardness and elastic modulus, across different ethnicities and treatment conditions using nanoindentation and scanning electron microscopy.

This study found that using a home-use LED mask with specific wavelengths improved signs of skin aging in both ex-vivo and clinical settings.

This study identified a unique concentric double-layered structure in both Japanese and Caucasian SHINAYAKA hair, associated with improved flexibility and elasticity, and developed a succinic acid treatment to enhance these properties.

This study developed a biobased copolymer called SELP::KP, showing improved hair strength, elasticity, and conditioning properties while being a safer alternative to conventional chemical treatments, based on application to human hair in a laboratory setting.

Minoxidil treatment in mice preserved the integrity of elastic lamellae and improved arterial biomechanical properties, especially in females, suggesting it could be an anti-arterial aging agent potentially suitable for female-targeted therapies.

This study evaluated coconut and palm kernel oils for their potential use in shampoos for black hair, finding they are rich in beneficial fatty acids and could serve as active ingredients due to their physicochemical and rheological properties.

This study investigated the dynamic mechanical properties of fluid-immersed elastic hair beds under oscillatory shear flows, revealing a nonlinear response influenced by driving frequency and amplitude, which impacts mechanosensory signaling stability in biological processes like vasodilation and ciliary remodeling.

This article reviews how biopolymers are utilized in cosmetics, highlighting their biodegradable and non-toxic properties, recent structural developments, novel applications, and safety considerations in the formulation of skin, hair, and oral care products.

This study found that combining hair follicle-derived smooth muscle cells with a natural biomaterial created vascular constructs with mechanical and functional properties similar to native arteries, suggesting potential for arterial implantation.

This study reviewed literature on using vegetable oils to prevent skin aging, highlighting their antioxidant properties and their role in combating free radicals, which leads to extrinsic aging, while also noting Brazil's important contribution to this field with its rich natural resources.

This review focuses on the roles of amino acids, peptides, and proteins in cosmetics, highlighting their importance in skin health and their potential for development in personal care products due to their unique properties and biocompatibility.

In this study, researchers linked hair composition and mechanical properties to perceived hair quality, suggesting that hair quality may be genetically determined.

In this study, researchers used atomic force microscopy to evaluate mechanical stiffness across different skin layers in six participants, finding the highest stiffness in the epidermis and lower stiffness as layers progress to subcutaneous tissue, enhancing understanding of skin's physical properties and aiding future research.

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.

This study explored a keratin, sodium alginate, and carboxymethyl chitosan hydrogel modified with tannic acid and found it to have promising wound-healing qualities, including similar elasticity to human skin, antimicrobial and antioxidant properties, and effective water retention. These attributes suggest potential applications in biomedical engineering.

This study found that elastin-like recombinamer (ELR) wound dressings promote tissue regeneration and stability without rejection in ex vivo and in vivo models, indicating potential for hard-to-heal wound treatment.

This study observed that keratose, derived from human hair, integrated well in mouse tissue and remodeled with collagen, suggesting potential as a non-toxic biomaterial for regenerative applications.

This study introduced mechanical setups to analyze the mechanical properties of root hairs in Arabidopsis thaliana, finding that axial stiffness primarily relates to tip compression and turgor pressure, confirmed by independent methods adapted from work on animal cells.

In this study, researchers developed innovative mechanical methods to measure the mechanical properties of Arabidopsis thaliana root hairs, concluding that axial stiffness is mainly due to tip compression and influenced by turgor pressure.

Vitamin D3 applied to mouse skin caused more wrinkles and sagging due to changes in the skin's outer layer.

This review explores the potential of mesenchymal stem cells in skin regeneration and rejuvenation, highlighting their ability to modulate immune response and enhance extracellular matrix strength but does not provide new clinical evidence.