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This article presents a biochemical model to explain how drug molecules are incorporated into hair, highlighting factors such as drug melanin affinity and the role of physico-chemical properties.

This animal study found that transparent porcine-derived Type I atelocollagen increases skin thickness and regenerates elastic fibers in aged mice, suggesting its potential as a skin booster for rejuvenation.

This review discusses the shedding phase of the hair cycle, known as exogen, and reports no new findings while analyzing related processes like club fiber formation and release.

The authors concluded that diazoxide reduces undesirable side effects compared to minoxidil while increasing elastic fiber content and decreasing cell number in the aorta, suggesting potential suitability for treating vascular conditions with low arterial elastin and hypertension.

This study successfully recreated human hair follicles in vitro, which offers a potential advancement in hair regeneration and understanding the effects of drugs on hair follicles.

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.

This review highlights the critical role of microRNAs in regulating hair follicle biology, significantly impacting wool and cashmere development by modulating gene expression and signaling pathways in sheep and goats.

This study found that the formation of the fibre cuticle surface in Merino sheep is similar to the epidermal stratum corneum process and not from a modified plasma membrane as previously thought.

This study found that keratin-associated proteins form part of the developing exocuticle and a-layer in hair fiber cuticle cells, while cornified envelope proteins were absent.

Polyquaternium 7® builds up on hair, improving its look and feel, and AFM is good for measuring these changes.

This study found that adult dermal papilla cells guided high-passage adult keratinocytes to produce new hair fibers, suggesting potential for large-scale hair follicle bioengineering.

This article reviews the significance of hair in human social and sexual communication, reflecting on the interest in hair cosmetics and the demand for medical advice on hair issues, and reports no new research findings.

This study found that dermal papilla cells and dermal sheath fibroblasts can induce hair follicle formation when combined with hair follicle epithelial cells, both in vitro and in vivo in nude mice.

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 found that human hair keratin can serve as a matrix for skin structure restoration, as observed in rats where the graft was replaced by newly formed collagenous fibers over six weeks.

This study observed that mice with a Cx43 mutation exhibited slower and asynchronous hair regrowth with severe cuticle weathering, mimicking aspects of hair phenotype in some ODDD patients.

This study found that electrospun short fibrous sponges effectively mimic the 3D extracellular matrix, promoting tissue regeneration, angiogenesis, and wound healing in diabetic rats better than 2D fiber membranes.

This study examined the subcutaneous structures in forehead creases using cadavers and observed that dense fibrous structures connecting the dermis to the frontalis muscle, as well as specific epidermal and dermal characteristics, may contribute to the formation of these creases.

This study found that non-pigmented hair follicles have significantly lower expression of nucleotide excision repair genes, which may be associated with reduced melanin production capacity in these follicles.

This review examines the chemical composition and potential health risks of hair straighteners, but it reports no new findings and emphasizes the importance of understanding hair fibre structure for safe use.

This study found that cultured papilla cells can induce follicle formation and hair growth when combined with different epidermal and dermal cells, highlighting their powerful inductive properties and potential for dermatological applications.

This study suggests that a sandwich-structured wound dressing with bioceramic and polylactic acid layers may improve burn wound healing by absorbing exudates and promoting hair follicle regeneration.

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.

In this mouse study, NF-κB was shown to play a role in hair follicle cycling and morphogenesis, with specific activity patterns differing by hair type and involving noncanonical signaling for zigzag hair bending.

This study found that young C57BL/6 and BALB/c mice exhibit distinct regenerative patterns during ear wound healing, with greater wound closure but less regeneration in middle-aged C57BL/6 mice.

This meta-analysis found that ADSC-Exo therapy can enhance healing in both general and diabetic wounds by promoting neovascularization, improving epithelization and collagen fiber deposition, and reducing scar formation, suggesting significant potential for clinical and research applications.

The authors reported a possible association between the use of etanercept and the development of trichorrhexis nodosa, a hair shaft disorder, in a patient without apparent external causes.

This study found that subcutaneous administration of decorin at doses of 10 and 20 μg reduced scar formation by decreasing the thickness of immature collagen fibers in rabbit surgical wounds.

This study reported that using autologous micro-grafts according to the Rigenera® protocol may improve hair restoration and increase hair follicle numbers in patients with androgenetic alopecia after 6 to 9 months.

In this study, miR-31 was found to play a significant role in hair cycle regulation in mice by controlling key gene expressions involved in hair growth and differentiation.