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This review discusses the design strategies and applications of long-acting polymeric microneedles, noting their potential to improve patient compliance and reduce side effects in chronic disease management, but reports no new experimental results.

This review discusses nanoparticle-based topical delivery systems for treating skin diseases and presents no new clinical findings; it emphasizes natural polymer-based nanoparticles and future applications like targeted drug delivery.

This review assesses the benefits and limitations of various supramolecular hydrogels, including polymeric and peptide-based types, for wound healing, but reports no new clinical results.

This study found that mesenchymal progenitor cells from human hair roots seeded onto polymer scaffolds stimulated the production of mineralized proteins, enhancing bone-like structures, with optimal results at a pore size of 35 µm.

This review discusses the design and advances of lipid–polymer hybrid nanoparticles as promising delivery systems for genome editing strategies, highlighting their potential in biomedical applications.

This study evaluated a new anti-baldness product, IPSTiC patch hair, designed to treat androgenetic alopecia, and reported that it effectively inhibits NO radical and 5α-reductase activity while maintaining safety and stability, suggesting its potential for topical use.

This study reviews advancements in the use of biodegradable polymers for wound healing, highlighting various polymer formulations and the observed enhancement of processes like cell proliferation and wound healing in both in-vitro and in-vivo experiments.

This review examined the diverse therapeutic potentials of cannabinoids, highlighting their applications in pain, neurological, and cancer treatments, and emphasized the benefits of biodegradable polymers in improving drug delivery; however, further clinical trials are needed to fully explore these potentials.

In this study, the combination of biologically engineered hyaluronic acid and polyquaternium-10 improved hyaluronic acid's retention and moisturizing effects on hair by forming a stable complex that increased binding affinity to keratin.

This source highlights the utility of cationic polymers in haircare products for protecting against hair damage from chemical treatments and grooming, and describes how microfluorometry can measure polymer deposition and penetration on hair fibers.

In this study, fluorescence microscopy revealed that a cationic cellulose ether derivative adsorbed onto hair fibers desorbed significantly when treated with sodium dodecylsulfate.

This study found that baicalin delivery through polymeric nanocapsules significantly enhanced its anticancer activity in breast cancer cell lines MCF-7 and MDA-MB-231.

This study found that liposomes coated with cationic polymers, chitosan and Eudragit EPO, showed improved physicochemical stability and enhanced skin diffusion of aciclovir and minoxidil compared to uncoated liposomes.

This study concluded that polymeric nanoparticles effectively targeted hair follicles for drug delivery, but the organogel formulation did not enhance their penetration into the hair shaft.

In this study, a new formulation of all-trans retinoic acid bound to polyvinyl alcohol showed reduced skin inflammation and sustained drug release for up to six days compared to free ATRA in vitro and in vivo.

This study found that polymers significantly improved the chemical and microbial stability of steroid hormones in liposome formulations over eight weeks, with finasteride showing the highest diffusion rate.

This study found that polymeric nanoparticle suspensions can deliver poorly water-soluble drugs to hair follicles in animal models, suggesting a promising method for targeted topical treatments.

This review discusses how polymer-based nanocarriers can enhance drug delivery targeting hair follicles for acne treatment, focusing on factors affecting this delivery method, combination technologies to improve follicle targeting, and recent advancements in polymer nanodrug-delivery systems.

This study explored the development of polymeric nanoparticles for topical spironolactone delivery, finding that larger nanoparticles (180 nm) enhanced drug targeting to hair follicles significantly more than smaller ones or non-nanoparticle formulations, offering promise for safer acne and alopecia treatments.

This study concludes that phospholipid–polymer hybrid nanoparticles may be an effective delivery system for quercetin in treating androgenic alopecia by improving hair regrowth and preventing hair follicle cell apoptosis in rat models.

This review discusses how polymer- and lipid-based nanostructures can enhance wound healing by addressing issues like microbial contamination and inflammation, though it reports no new clinical results.

This model study describes how interactions between hair keratin and various materials alter hair's physical and mechanical properties by affecting noncovalent bonds.

This review explores the different types of hydrogels used to repair diabetic ulcers, the mechanisms involved, and the limitations in developing these technologies for clinical use, but it reports no new clinical results.

This review discusses lipid-polymer hybrid nanoparticles for dermatological applications, outlining their structural and formulation advancements, but reports no new clinical results and calls for further research on their therapeutic potential.

This review highlights that synthetic biodegradable polymers like PVA, PCL, PLA, PLGA, PU, and PEO/PEG can address the limitations of natural polymers in wound healing, offering improved mechanical properties and slower degradation, thereby enhancing their application as wound dressings.

This study reported that polymeric nanofibers containing minoxidil sulphate showed effective encapsulation and stability, with minimal concentration loss over six months, making them potentially ideal for delivering this unstable drug in a more visually appealing and easier-to-apply form.

This study found that polyquaternium-68 at pH 9 achieved the greatest hair deposition, while polyquaternium-44 demonstrated the best wash resistance at pH 6.

This review highlights the transformative potential of bioinspired polymers in biomedical engineering, focusing on their roles in enhancing tissue engineering, regenerative medicine, and other biomedical applications, with innovations including mimicking the extracellular matrix, self-healing, antibacterial properties, and cancer therapy.

This study reports that a collagen scaffold with p-Coumaric acid showed promising wound-healing effects in diabetic wound models by enhancing tissue regeneration and balancing collagen turnover.