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This infographic compares the safety profiles of SH‑1, a cosmetic ingredient, which showed no systemic absorption, and PP405, an investigational drug with dose-dependent systemic uptake and potential threshold breaches, highlighting differences in safety between cosmetic and investigational substances according to this report.

In this study, adding conditioning agents PA1, PA2, and PA3 to light blonde oxidative hair dyes improved combability and protein retention of light brown hair without affecting tensile strength, though PA1 and PA2 offered enhanced thermal protection.

In this study, researchers found that during late pregnancy, neuroactive steroid fluctuations increase the number of extrasynaptic GABAA receptors in rat hippocampal cells.

This review examines the role of cyclodextrins in improving the solubility, stability, and bioavailability of steroid drugs but does not report new experimental findings.

This systematic review suggests that human placental extracts may offer therapeutic benefits for non-communicable diseases such as liver pathologies and metabolic disorders, but larger trials are needed to confirm efficacy and understand molecular pathways.

This study reported that novel adipose slurry injections improved rhytides and dermis density in patients receiving facial wrinkle treatments based on evaluations at multiple follow-up intervals.

The study found that a polymer treatment changes the charge on hair surfaces, making bleached hair smoother and less porous.

This review discusses the potential of human placental extract (HPE) in cartilage regenerative medicine for osteoarthritis, noting its significant anti-inflammatory and regenerative properties observed in vitro and in vivo studies, but reports no new clinical results.

This study found that reinforcing clayey soil with human hair fibers increased its strength significantly, both before and after freeze-thaw cycles, suggesting its potential use in cold climate zones.

This dissertation discusses the use of cryopreserved placenta in treating jaw and facial phlegmon without reporting new clinical findings; it is scheduled for defense at Poltava State Medical University.

This study found that the peptide derivative beta-Ala-Pro-Dab-NHbenzyl may reduce wrinkles and sebum production in human skin by inhibiting dipeptidyl peptidase 4, suggesting potential for acne and skin inflammation treatment.

This study found that using a keratin hydrogel scaffold as a filler in collagen nerve conduits significantly improved nerve regeneration and motor recovery in Macaca fascicularis monkeys compared to saline.

This study developed a prototype pneumatic dual-cell implanter that successfully stacked and implanted cells in tests, reducing hand burden for operators, which may improve alopecia treatments compared to traditional hair transplantation.

This review discusses the development and future prospects of biomaterials for in situ tissue regeneration but reports no new research results; it underscores the importance of biomaterials in addressing tissue defects.

In this study, a copolymer made from Tung oil and Tung free fatty acids demonstrated improved mechanical and thermal properties for hair repair, with enhanced resistance and flexibility observed in treated bleached hair, suggesting its potential as a sustainable biopolymer for cosmetic applications.

This study found that dynamic resilient hyaluronic acid fillers were effective and well-tolerated for correcting moderate-to-severe nasolabial folds in people of color, with improvements in wrinkle severity and fewer adverse events compared to non-people of color.

This study identified the structures of cyclohexyl and phenyl analog impurities in finasteride using HPLC and spectral analysis.

This review discusses the potential of three-dimensional printed mesoporous scaffolds for drug delivery applications, particularly for bone cells and tissues, but reports no new clinical results.

This article reviews the roles and types of surfactants and ingredients in modern shampoos, discussing their contributions to cleansing, conditioning, and cosmetic effects, but reports no new experimental findings.

This study found that fibroin/gelatin and spidroin microparticles increased re-epithelialization rates and inhibited scar formation in mouse models of deep skin wounds.

This chapter explores the potential of phytochemicals in modulating human endocrine function, emphasizing the growing interest in plant-derived alternatives to synthetic medications for managing metabolic and hormonal disorders often linked to chemical exposures and lifestyle factors.

This review discusses the unique properties, design, and fabrication of peptide hydrogels for biomedical applications, focusing on advances in drug delivery, gene therapy, and regenerative medicine; it reports no new clinical results.

This rat study found that a PLGA conduit filled with neural crest stem cells derived from hair follicles showed promising results in repairing peripheral nerve injuries, partially restoring sensory function and improving nerve structure.

In this study, desmopressin-loaded elastic liposomes (ODEL1) showed improved permeation and drug deposition across rat skin by altering the skin's cohesive energies and causing reversible changes on its surface.

This review details how hydrogel composites play crucial roles in regenerative medicine, tissue engineering, and drug delivery systems, highlighting innovations in these applications and addressing challenges like bioactivity, biomechanical compatibility, and controlled drug release.

Keratin-based hydrogels from human hair and wool are promising for wound dressings and are more eco-friendly.

In this study, pneumatic injections of non-cross-linked hyaluronic acid were associated with improvements in skin texture, pores, wrinkles, and transepidermal water loss in healthy female volunteers.

This study found that chemically modifying hair with 2-iminothiorane hydrochloride improved the permanence of hair setting without damaging the hair by increasing disulfide bonds.

In this study, finasteride was found to potentiate stress-induced disruption in sensory gating of rats by neutralizing the increase in allopregnanolone levels after acute stress.

This study investigated various proteins as eco-friendly hair perming agents for Asian hair and found that bovine serum albumin and keratin achieved perming results comparable to commercial products, while also increasing hair moisture, indicating a protective effect during heat styling.