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This review summarizes 57 case reports and series, noting that ultrasound is a useful, non-invasive tool to visualize subcutaneous nodules in conditions like sarcoidosis, granuloma annulare, and panniculitis, facilitating diagnosis and treatment without ionizing radiation.

This study suggests that polymersomes decorated with chitosan improve the transdermal delivery of finasteride, providing an alternative drug delivery system with higher drug retention in the skin.

This study explored microemulsion formulations for delivering finasteride through the skin, finding that higher water concentrations increased permeation, which may inform optimal transdermal delivery for treating androgenetic alopecia.

This study suggests that true binary and ternary inclusion complexes were formed between finasteride and 2-hydroxypropyl-ß-cyclodextrin, with or without the addition of specific polymers.

This study found that chemically modifying human hair through esterification or disulfide reduction and alkylation affects the hair's viscoelastic properties, including stability, integrity, and response to moisture.

This review discusses the regenerative potential of polynucleotides and polydeoxyribonucleotides in aesthetic medicine, noting their benefits for skin texture, hydration, and patient satisfaction despite limited high-quality evidence.

Heparin-functionalized nanofabrics help heal wounds effectively and safely without scars in 14 days.

In this study, UV-light at 254 nm and Polyquaternium-7 treatment were found to affect the mechanical properties and surface structure of hair.

This study reported that a novel hydrogel wound dressing, created using a Brachybotrys paridiformis polysaccharide derivative and chitosan, significantly accelerated wound healing and tissue regeneration in vivo, showing nearly complete healing by day 15 compared to controls.

This study found that Pseudomonas DL7 completely degraded 600 mg/L of Sunset Yellow FCF in 48 hours at pH 9, indicating potential for biomineralization of this dye.

This study concluded that adding polymeric conditioning actives to shampoos improved color retention in permanently dyed hair, while additional cationic dyes at certain pH levels weakly dyed the hair directly.

This study found that biodegradable PLA particles released fluorochromes in a time-dependent manner on human skin, with BP-PLA particles releasing rapidly and DiAsp-PLA particles providing sustained release and accumulation in hair follicles.

This article explores the potential mechanisms by which polydeoxyribonucleotide (PDRN) could improve skin quality, slow aging, and enhance skin regeneration, but reports no new clinical findings.

This review discusses synthetic piezoelectric polymers within the smart polymer family, detailing their applications in various medical fields, but reports no new experimental results.

This paper reviews the benefits of using silk proteins as natural ingredients in cosmetics, highlighting their potential for improving skin and hair health due to properties like antimicrobial activity, UV resistance, and enhanced moisture absorption.

This study concluded that Finasteride can be effectively delivered in matrix tablets using different polymer ratios for sustained release.

This study found that the GhDET2 gene plays a crucial role in cotton fiber initiation and elongation, suggesting that modifying brassinosteroid biosynthesis may enhance fiber quality or yield.

This consensus report provides detailed recommendations for using Polynucleotides Highly Purified Technology™ in aesthetic skin rejuvenation, highlighting its potential as a biostimulatory booster for face and body revitalization.

In this laboratory study, researchers developed a genipin-stabilized asymmetric PLA/gelatin scaffold that mimics skin architecture, supports fibroblast proliferation, and closes scratches effectively, suggesting its potential for epidermal-dermal regeneration and applications in sensing or drug delivery.

Adding keratin to a mix of cow hair and plant-based plastic makes it stronger.

This research observed that a silver nanoparticle-loaded polydopamine/polyethyleneimine-coated bacterial cellulose dressing effectively inhibited S. aureus infections, reduced inflammation, and promoted wound healing compared with untreated cellulose, demonstrating its potential for treating infected wounds.

This report describes a case of inflammation and infection with specific pathogens in synthetic hair implants done by a non-medical professional, highlighting risks associated with the procedure.

This report describes complications such as infection and scarring in men who underwent hair implantation for pattern baldness, suggesting these issues may occur broadly with this procedure.

In this study, researchers developed injectable micropore-forming hydrogels that enhance tissue adhesion strength and promote wound healing by allowing better cell infiltration and inducing hair follicle regeneration in skin incision wound models.

This study found that plastic factory staff in Sirjan, Iran were exposed to microplastic particles through various body receptors, with hair having the highest particle count and saliva the lowest.

This article reviews the use of polydioxanone (PDO) threads for facial rejuvenation and reports no new clinical findings, highlighting their safety and potential for natural, durable results.

This study found that adjusting the polymer gel composition can create a more consistent release profile of finasteride with reduced initial burst release, enhancing patient compliance through in situ polymer precipitation.

In this randomized controlled trial, the topical application of a PGA solution significantly increased hair density in patients with androgenetic alopecia compared to placebo, with no adverse reactions reported over 24 weeks, suggesting its potential as a safe and effective treatment option.