The Rise of Bio-Based and Recycled Textiles: Redefining Sustainable Fashion

The fashion and textile industries are major contributors to environmental degradation. Most of this degradation is due to highly resourceintensive production processes, the use of synthetic fibers, and the generation of large amounts of waste. The development of bio-based and recycled textiles has, of late, received much attention as an alternative to traditional synthetic materials, driven by increasing consumer demand for sustainability. This paper explores emerging trends in sustainable textiles, looking in particular at bio-based materials such as mycelium, algaebased fibers, and biodegradable polymers, as well as the latest textile recycling technology. Significant environmental benefits can be derived from bio-materials, such as reduced carbon footprints, less water use and better biodegradability. Likewise, textile recycling technologies, especially mechanical and chemical treatments that convert industrial waste back into clean fiber, could significantly contribute to establishing a circular economy through waste reduction and raw material reuse. The potential of these innovations is reviewed in the article, taking the view that they can minimize key environmental challenges and add value to society. Despite challenges such as higher production costs and scalability, ongoing advancements in material science and biotechnology offer promising solutions for sustainable textile manufacturing. At present, this is a research project. The perspective discusses and explains how recycled and bio-synthetic fibers can help promote the industry’s sustainability. Moreover, it provides an extensive overview of current industry innovations to enhance sourcing capacity. The study aims to provide insight into how compostable and recycled fibers will further industry sustainability over time.

Keywords: Bio-based textiles; sustainable fashion; fashion sustainability; circular economy; recycled textiles; mycelium leather; algae-based fibers; textile recycling

Abbreviation: GHG emissions- Green House Gas emissions; PHA- polyhydroxyalkanoates; PLA-polylactic acid; DPP- Digital Product Passports

Fashion and textiles are leading contributors to environmental degradation, with high levels of resource use, waste, and GHG emissions. Most notably, synthetic fiber production, including the closely related polyester found in the vast majority of textiles worldwide, is associated with high energy use and plastic waste.

Traditional textile production also depends significantly on petrochemical use as well as freshwater, with the fashion industry alone using an estimated 79 billion m3 of water per year in the manufacture of textiles [1]. The expansion of fast fashion has intensified environmental challenges, as large-scale production and disposal processes significantly contribute to the global textile waste crisis, which exceeds 92 million tons annually [2]. Sustainable and bio-based textiles derived from renewable sources, including plants, fungi, and agricultural byproducts, have gained considerable momentum. Bio-based fibers such as hemp, bamboo, and mycelium provide alternatives to petroleum-based materials and promote a circular economy in which products are intended for reuse, recycling, or bio-degradation at the end of their life cycle. Apart from this, advancements in textile recycling are essential to minimize waste and transform discarded garments into reusable materials, thereby supporting the overarching objective of sustainability.

This review explores emerging trends in bio-based and recycled textiles, focusing on innovations like mycelium leather, algae-based fibers, and recycled polyester. These materials offer solutions to the environmental challenges facing the fashion industry by promoting sustainability and circular fashion, which emphasizes repurposing, recycling, and responsible consumption. As both consumers and brands seek eco-friendly alternatives, integrating bio-based and recycled textiles offers opportunities for innovation in fashion design and manufacturing. This study seeks to provide industry professionals and policymakers with insights into the technologies and practices influencing the future of sustainable fashion. As demand for environmentally responsible practices intensifies, the adoption of bio-based and recycled textiles can substantially reduce the fashion industry’s environmental footprint. Consequently, this area represents a critical focus for ongoing research and development.

Bio-based textiles are produced from renewable biological sources, including plants, agricultural byproducts, and fungi, and serve as environmentally sustainable alternatives to conventional fibers. Recent studies report significant progress in the development of bio-based fibers, such as fungal mycelium leather substitutes, cellulose regenerated from plant matter, and fibers derived from agricultural waste. These materials are biodegradable and help reduce dependence on petroleum-based resources [3]. Biodegradable polymers, including polyhydroxyalkanoates (PHA) and polylactic acid (PLA), are increasingly recognized for their composability and lower environmental impact relative to traditional synthetic polymers [4]. Plant-based fibers such as jute, hemp, and flax provide renewable and naturally biodegradable alternatives that require less water and fewer chemical inputs than conventional cotton [5]. Further innovations include the development of bacterial cellulose, which offers potential as a versatile and sustainable textile material with inherent biodegradability [6]. Collectively, these advancements reflect a broader trend toward utilizing biological innovation to create materials that balance high performance with environmental stewardship.

Fashion in addition to bio-based fibers, textile recycling is essential to minimizing waste and advancing a circular economy.

Recycling technologies range from mechanical processes, which shred and resin fibers, to chemical recycling, which decomposes fibers into their molecular components for reuse in high-quality textiles [7]. Recycling technologies encompass mechanical techniques that shred and reconstitute fibers, as well as chemical recycling that breaks down fibers into their molecular constituents for repurposing in high-quality textiles [8]. Closed-loop recycling systems, in which garments are recycled into fibers for the production of similar garments, are a primary focus because they preserve material quality and reduce the need for virgin materials [9]. Brand commitments and innovations in fiber-to-fiber recycling are driving this trend. Some major fashion companies collaborate with material technology firms to produce advanced recycled polyester from post-consumer textile waste instead of plastic bottles, thereby improving the sustainability of highperformance textiles [10]. Circular fashion also emphasizes design for recyclability, with garments made from mono-materials or components that are easily separable, thereby improving recycling efficiency. This strategy, backed by research on circular textile systems, supports long-term sustainability by keeping materials in use longer and reducing landfill burden [11].

The sustainable textiles market is growing rapidly. Projections show strong expansion through the late 2020s, driven by surging consumer demand and regulatory focus on environmental performance [12]. Mainstream and luxury brands are adopting bio-based and recycled fibers to meet sustainability targets, supported by breakthroughs in biotechnology and materials science [12]. Building on these trends, major brands are forging partnerships with material innovators to integrate recycled textiles into collections and hit climate targets. These alliances accelerate production scale and expand access to sustainable materials across the supply chain [13]. The industry’s move toward sustainability is underscored by sharp increases in eco-friendly material mentions in trend analyses and fabric innovation forecasts, positioning biobased textiles as strategic imperatives for functionality and market relevance [14].

Although significant progress has been made, several challenges persist. Bio-based textiles typically incur higher production costs and lack extensive large-scale infrastructure. Additionally, limitations in durability and consistency hinder their adoption when compared to established synthetic alternatives [15]. Emerging innovations are expected to address these challenges through improved recycling technologies, advanced biotechnological processes, and enhanced material engineering. For example, enzymatic and solvent-based recycling methods can recover high-quality fibers more efficiently, thereby overcoming the limitations of traditional mechanical approaches [16]. Regenerative agriculture and sustainable farming practices for natural fibers, such as organic cotton and hemp, facilitate low-impact fiber production and underscore the importance of agriculture in material sustainability. In addition, digital tools such as blockchain for traceability and Digital Product Passports (DPP) for lifecycle transparency are anticipated to enhance consumer confidence and regulatory compliance in sustainable supply chains [17].

Bio-based and recycled textiles represent pivotal innovations that drive sustainable transformation within the fashion and textile industries. These materials reduce reliance on fossil feedstocks, enhance recyclability, and facilitate circular material flows, thereby addressing significant environmental challenges. Although scaling and economic barriers persist, ongoing research and market expansion indicate a future in which sustainability is integrated throughout the textile life cycle. Continued collaboration between academia and industry will be critical to fully realizing the potential of these eco-innovative solutions and to ensure alignment with environmental stewardship and circular-economy principles. Stakeholders should actively support and invest in these advancements to accelerate sustainable change across the industry.

Anam Saba Akram thanks the editorial office of the Journal of Textile Science & Fashion Technology for the invitation to submit this mini-review. No external funding was received for this work.

Authors declare no conflict of interest.

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