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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.

In this study, treatment with aqueous KCN selectively converted disulfide bonds to monosulfide crosslinks in hair, leading to changes in microstructural properties and rubberlike elasticity under specific laboratory conditions.

This study describes the structural composition of the skin's dermis in experimental animals, highlighting the arrangement of collagen, elastic, and reticular fibers as well as associated glands and muscles.

This article reviewed literature and found that Alginate-Chitosan-Fucoidan sponges may offer effective alternatives for wound dressing due to their enhanced wound healing abilities, attributed to good hemostatic and antibacterial properties, as well as excellent elasticity.

This study found that washing hair after reduction in a permanent waving process allows for significant reformation of disulfide cross-links, enhancing the strength and elasticity of hair fibers.

This study found that treating hair with aqueous KCN converts disulfide bonds to monosulfide crosslinks, affecting the elasticity and crosslink distribution in hair microstructures.

This study observed that injecting minimally cross-linked hyaluronic acid with PDO smooth threads in female patients with dry, cracked lips led to significant improvements in lip texture, elasticity, and reduced fissure depth, effects that lasted up to nine months with additional booster injections.

In this study, Korean adults with damaged hair who took 3g/day of low-molecular-weight collagen peptide GT for 24 weeks showed significant improvements in hair gloss, elasticity, and scalp elasticity compared to placebo, without any adverse events.

This study reports that combining ergothioneine, collagen peptides, and sodium hyaluronate improved skin parameters like hydration, elasticity, and wrinkle reduction in Chinese women, while ex vivo data indicated enhanced antioxidant action and structural support, suggesting potential for anti-aging nutricosmetics.

This article discusses the use of Platelet Rich Plasma therapy for skin rejuvenation and hair loss and reports no new clinical results, noting its minimally invasive nature and effect on skin texture and elasticity.

This study developed a sustainable biotechnological process using Bacillus licheniformis strains to produce keratin hydrolysate from chicken feathers, and found that cosmetic hair serum with this ingredient improved hair smoothness, elasticity, and shine in a small focus group.

This study found that Gynostemma pentaphyllum hydrodistillate and Damulin B exert significant anti-photoaging effects in UVB-irradiated models by reducing oxidative stress, improving ECM integrity, and enhancing skin hydration and elasticity.

This research review observed that topical hormone replacement therapy, particularly estradiol and estradiol-testosterone combinations, significantly increased Type I and III collagen synthesis in the skin of postmenopausal women, suggesting benefits against collagen loss-related skin aging effects such as reduced elasticity and increased dryness.

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.

This study highlighted the potential of iron chelators, deferoxamine and deferiprone, to improve hair density, thickness, and elasticity and reduce hair loss by up to 66.8% over six months in individuals with autoimmune alopecia, suggesting they may offer a promising therapeutic option.

This study highlights the potential of Platelet-Rich Plasma (PRP) as an effective treatment for improving skin texture, tone, and elasticity, and treating hair loss, warranting further research to optimize its use in aesthetic dermatology.

This study by Bansaccal et al. found that skin with higher levels of type I collagen density and elasticity in the dermis can inhibit basal cell carcinoma development and spread by acting as a natural barrier against cell reprogramming in mice.

This review highlights encouraging findings on platelet-rich plasma's effectiveness in improving skin texture, firmness, and elasticity in aesthetic procedures but emphasizes the need for more standardized protocols and robust clinical trials.

In this study, the novel ASAXA-μCT imaging method identified that the shrinkage of sweat glands with aging causes dermal defects, reducing skin elasticity and contributing to wrinkling and sagging.

In this study, patients with advanced androgenetic alopecia stages had higher carotid intima media thickness and worse aortic elasticity, suggesting a potential link to subclinical atherosclerosis.

This study examined the thermal conductivity of human hair using the Modified Transient Plane Source method, highlighting how frequent thermal, mechanical, and chemical treatments can damage hair by weakening its structure, particularly through changes in keratin that reduce elasticity.

This review examines ethosomal structures and their mechanisms as skin delivery systems, outlining preparation methods and applications but presents no new experimental findings.

This study found that neprilysin (NEP) activity and expression play a significant role in regulating the hair cycle in rats, with a specific inhibitor suppressing hair growth in mice.

This study proposed a model that accurately predicts skin condition using genotype information and machine learning, suggesting potential for creating customized cosmetics.

This study reported that invasomes, utilizing limonene as a component, enhanced the transdermal permeation of finasteride by over 21 times, indicating their potential as a novel drug delivery system.

This review discusses the effects of oestrogen on skin ageing and highlights the need for large-scale clinical trials to evaluate postmenopausal oestrogen use, reporting no new findings.

This review concludes that platelet-rich plasma treatments significantly improve various facial skin parameters, particularly when combined with hyaluronic acid, and stresses the need for standardized preparation protocols.

This study found that taking oral FKH supplements for 90 days improved facial skin, hair, and nail appearance, and highlighted the role of free L-amino acids as potentially beneficial beyond their protein-building functions.

This study found that training in a hypoxic chamber did not significantly impact skin features in overweight and obese women, though it did result in a notable reduction in body weight and BMI.

This review explores how various skin cell types contribute to photoaging driven by UV radiation, detailing their interactions and molecular mechanisms like oxidative stress and ECM degradation, ultimately offering insights for future anti-photoaging strategies.