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This article reviews how biopolymers are utilized in cosmetics, highlighting their biodegradable and non-toxic properties, recent structural developments, novel applications, and safety considerations in the formulation of skin, hair, and oral care products.

This article highlights the versatility and potential of alginate and its derivatives in tissue engineering applications, discussing their properties, modification techniques, and various uses in enhancing tissue healing, bone regeneration, and cell growth.

This study found that a new hybrid polymer made from hydrolyzed protein, alkyl chain, and silicone helped prevent discoloration and improve moisture feel and manageability in dyed and damaged hair.

This review reports that sodium alginate-based hydrogels show promise in biomedical applications due to their biocompatibility and versatility, but challenges such as mechanical strength and stability remain, highlighting the need for continued research to facilitate their clinical transition.

This study identified a new compound from fermented Carica papaya L. with moderate antioxidant and potent hair growth-stimulating activities in vitro.

This article provides guidelines and indices for a three-point cantilever bending test to measure mechanical properties of hair treated with both conventional and naturally-derived styling polymers, reporting no new experimental results.

In this study, researchers used 3D printing combined with cryogenic crosslinking to develop gelatin/oxidized alginate scaffolds and found that adding 5% hydroxyapatite improved mechanical properties and osteogenic effects, enhancing bone tissue regeneration, though 10% hydroxyapatite offered no additional osteogenic benefits and reduced shape fidelity.

This study observed that eco-friendly PALF forms a protective physical barrier on the skin, helping limit the impact of environmental pollutants and offering additional benefits for skin and hair in various cosmetic formulations.

This study identified an optimal sulfate-free and silicone-free conditioning shampoo formulation using 1% hyaluronic acid at 800 kDa, 10% acidic sophorolipid, and 1% sodium chloride, which maintains essential conditioning and cleansing properties without compromising on performance.

This study reported that treating wounds with a hydrogel from acellular porcine adipose tissue and adipose-derived stem cells may significantly enhance wound healing and regeneration by promoting new adipocyte formation.

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 study explored a keratin, sodium alginate, and carboxymethyl chitosan hydrogel modified with tannic acid and found it to have promising wound-healing qualities, including similar elasticity to human skin, antimicrobial and antioxidant properties, and effective water retention. These attributes suggest potential applications in biomedical engineering.

This study demonstrated that PEGDA hydrogel microwells successfully supported cell survival and proliferation while mimicking hair follicle architecture in vitro, suggesting a potential tool for hair follicle engineering.

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.

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

This study found that alkylation of kerateine cysteine residues created a cell-compatible method for controlling hydrogel erosion rates and therapeutic agent release in keratin-based systems.

This study found that the pH-sensitive hydrogel HECHA13, containing isoliquiritigenin, effectively inhibited the growth of Propionibacterium acnes and showed promise for transdermal delivery in acne treatment.

This study found that keratin hydrogels extracted from human hair showed potential as biodegradable and biocompatible filler materials, promoting angiogenesis and cell proliferation in rat models.

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 study found that the RADA-GHK and RADA-KGHK peptide hydrogels improved wound healing and cell growth without cytotoxicity, suggesting potential for use in skin regeneration.

This study found that novel biodegradable nanocarriers with highly hydrophobic cores significantly increased the solubility and sustained release of hydrophobic drugs and dyes, showing promise for drug delivery applications.

This study developed HA-gel-dex hydrogels with enhanced ECM-like properties and functionality, showing promise for 3D bioprinting, tissue repair, and as wound dressings due to improved cell interaction, cytocompatibility, antimicrobial synergy, and wound healing in mice compared to traditional ECM bio-inks.

In this study, researchers successfully developed a 3D printed alginate-gelatin composite hydrogel scaffold characterized by high porosity and potential applications in drug delivery and screening, particularly for neurodegenerative diseases like Alzheimer's.

This study developed a double-network hydrogel using polyacrylamide and catechol-chitosan to enhance mechanical properties and promote drug release, aiding in inflammation regulation and wound healing for chronic wounds with challenging microenvironments.

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 review discusses the potential of flame retardant polyamide materials with glass fiber and graphene as a better performing alternative to acrylonitrile butadiene styrene for hair dryer housings, noting improvements in heat resistance, flame retardancy, durability, and UV resistance.

This study developed a hydrogel dressing incorporating angelica polysaccharides, demonstrating enhanced wound healing properties in a mouse model by promoting rapid hemostasis, tissue healing, and new blood vessel formation compared to Tegaderm™ film.

This study developed a biodegradable nonwoven textile using a starch-based biopolymer and fruit extracts, resulting in materials that are stronger, more hydrophilic, and capable of releasing beneficial compounds over 72 hours, positioning them for potential use in medical, healthcare, and cosmetic applications.