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This article reviews treatments for progeria, including aspirin, hydrotherapy, and farnesyl transferase inhibitors, but reports no new clinical results.

This study found that trichohyalin, a protein previously thought to be restricted to hair and tongue, is also present in isolated cells within the granular layer and stratum corneum of normal human epidermis.

This study found that Argireline significantly reduced the depth of periorbital wrinkles in Chinese subjects and improved skin morphology in aged mice.

This study developed a rapid method to extract proteins from human hair, revealing phosphorylation on serine and threonine residues in alpha-keratins and matrix proteins.

This chapter discusses various aspects of collagen, proposing "extended collagen carential disease" as a new concept tied to nutritional deficiencies, notably Vitamin C's role in maintaining collagen health.

This study reported that atelocollagen enhances collagen synthesis and reduces oxidative stress in aged skin by increasing glycine uptake through GlyT1, resulting in improved skin elasticity and collagen density in aged mice, with effects superior to glycine alone.

This study found that the peptides RMYYY and VMYMI displayed stronger binding energy and more frequent interactions with HPGDS compared to the native inhibitor, suggesting potential as future therapeutic drugs.

This study suggests that specific structural features of minoxidil analogs, such as hydrophobic and hydrogen bond field contributions, are key to enhancing lysyl hydroxylase inhibitory activity, which could inform future hair growth treatments.

This study found that mutations in exon 3 of the hr gene are strongly associated with congenital hypotrichosis in Valle del Belice sheep, suggesting a potential genetic link to the disorder.

New mutations in hair keratin genes cause the rare hair disorder monilethrix.

This review analyzed how the chirality of peptide building blocks affects their self-assembly into hydrogels, comparing structural and mechanical properties of homochiral and heterochiral peptides, and discussed potential biological applications of these peptide systems.

In this study, researchers identified a collagen fragment, sample-1707, expressed in E. coli, which forms nanofibers and promotes blood clotting, osteoblast differentiation, and skin cell regeneration, making it a promising biomaterial for skin care, with a large-scale production yield of 600 mg/L.

In this study, elevated mRNA levels for serine-rich ultra high sulfur proteins were observed during active hair growth phases in mice, particularly in the forming hair structures and upper skin layers.

The researchers reported that hydrogels made from methacrylated glycol chitosan and hyaluronic acid with chondroitin sulfate may be suitable for load bearing soft tissue repair, showing enhanced chondrocyte viability and metabolic activity.

This study reports that Ca 2+ binding alters the dynamics and surface properties of PKD-like domains in Clostridium histolyticum collagenases, enhancing their stability and potentially aiding in collagen-targeting vehicle development.

This review outlines the various processes activated by the peptide GHK-Cu in tissue remodeling and reports improvements in skin and wound healing but notes a need for further study to fully understand these mechanisms.

This study found that collagen remodeling is more active in anagen-stage skin than in telogen-stage skin in mice, suggesting that collagen modifications may support hair follicle growth and migration.

This research reports that KCV and its palmitoylated derivatives show strong effectiveness in strengthening hair proteins, indicating their potential for use in advanced hair care products.

This article reviews current understanding of Hutchinson–Gilford Progeria Syndrome and suggests RNA-based treatments show promise, but no new clinical findings are reported.

This study investigated the effects of a recombinant human collagen complex on hair growth, finding it enhanced survival and function of hair follicle stem cells and promoted hair growth in rat models, suggesting its potential for hair loss prevention and hair health maintenance.

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.

In this study, the RADA-PRG hydrogel enhanced SKP proliferation, survival, and gene expression, effectively supporting hair follicle regeneration in mice.

This review investigates how the chirality of peptides affects their ability to form hydrogels, comparing the structural and mechanical properties of hydrogels made from homochiral and heterochiral peptides, and discussing their potential biological applications.

A specific gene mutation causes woolly hair and hair loss.

This study reported that hydrogels created from keratins extracted from human hair exhibit antibacterial properties and enhance tissue regeneration, suggesting their potential use in full-thickness skin repair, as demonstrated by increased collagen production and improved healing in vivo.