Bio-based alternatives to microplastics in 2026: overview
Bio-based alternatives replace plastic particles with materials derived from biological sources, including cellulose, starch, alginate and other natural polymers. Their appeal is clear in applications where particles can escape into wastewater or the environment, but substitution depends on more than feedstock: materials must deliver the right texture, stability and performance during use while breaking down appropriately after disposal. Formulation and end-of-life behavior remain central technical challenges, especially when a product needs particles to persist in use but not in the environment.
Recent work points to both new materials and industrial scale-up. In July 2026, researchers at Dongguk University and the National Institute of Forest Science reported making mesoporous cellulose II microbeads from alpha-cellulose using a sunflower-oil-assisted emulsion–gelation process. A September 2026 news report said BIOWEG was building a bacterial-cellulose plant in Europe, bringing fermentation-based production closer to commercial supply. Research at the University of Minho on bacterial cellulose as a stabilizer also reflects interest in using bio-based materials for formulation functions beyond exfoliation. Scaling reliable supply and matching performance will shape adoption across personal care and cleaning.
- 1From lab to line: BIOWEG’s September 2026 plant announcement signals a shift from developing bacterial cellulose to expanding production capacity.
- 2More than exfoliation: Recent alginate and cellulose research explores encapsulation and formulation functions, broadening the potential roles of bio-based particles.
- 3Performance still matters: Commercial adoption depends on matching particle texture and stability in products with suitable breakdown after use.
Top organizations working on bio-based alternatives to microplastics
Ranked by Linknovate activity score · last 24 monthsThe activity score adds up the relevance of every patent, publication, grant and news item linking an organization to bio-based alternatives to microplastics. Showing 7 of 129 organizations.
| # | Organization | Approach | Signals (24 mo) | Momentum | Why it matters |
|---|---|---|---|---|---|
| 1 |
Eastman Chemical Company
Corporate · United States |
Cellulose particles | PAT 7 · NEWS 3 | -75% | Eastman is developing biodegradable cellulose-ester microbeads for cosmetic formulations, with patents covering bead production methods and functions such as optical effects and UV-protection boosting. |
| 2 |
Cellugy
Startup · Denmark |
Cellulose particles | PAT 1 · NEWS 3 | -100% | Cellugy’s EcoFLEXY platform uses biofabricated cellulose as a microplastic alternative for cosmetics, and the company is working to scale and commercialize the ingredient. |
| 3 | P
Paints
Corporate |
General | NEWS 2 | new | |
| 4 |
mySociety
Corporate · United Kingdom |
General | NEWS 7 | -100% | |
| 5 |
U.S. Congress
Research · United States |
General | NEWS 7 | -100% | |
| 6 |
CAS (The Cellular Agriculture Society)
Startup · United States |
General | NEWS 7 | -100% | |
| 7 | CE
Chemical & Engineering News
Corporate |
General | NEWS 7 | -100% | |
| 8 | ··Hidden organizationCompany | Approach | PAT 00 · PUB 00 GRANTS 0 · NEWS 00 | +00% | Available to registered users. |
| 9 | ··Hidden organizationCompany | Approach | PAT 00 · PUB 00 GRANTS 0 · NEWS 00 | +00% | Available to registered users. |
| 10 | ··Hidden organizationCompany | Approach | PAT 00 · PUB 00 GRANTS 0 · NEWS 00 | +00% | Available to registered users. |
Where bio-based alternatives to microplastics innovation happens
Share of documents with at least one organization from each country.
Open the interactive map with all 129 organizationsMain technical approaches
Last 24 months| Approach | What it is | Documents | Leading organizations |
|---|---|---|---|
| Cellulose particles | Cellulose particles can provide plant-derived structure and texture, but particle size, surface properties and formulation stability need careful control. | 21 |
MCC, Manufacturing Technologies, Starch Inc. |
| Starch-based materials | Starch-based materials offer a renewable, biodegradable option, though moisture sensitivity can limit stability in some formulations. | 3 |
Dickinson, MonoSol, Matrix 3D Concept |
| Polysaccharide hydrogels | Hydrogels made from polysaccharides such as alginate form soft, functional particles, but swelling and mechanical strength can be difficult to balance. | 110 |
Yildiz Technical University, Northwest Minzu University, National University of Malaysia |
| Bio-based polyesters | Bio-based polyesters can provide more durable particle performance, but biodegradation depends on polymer design and disposal conditions. | 22 |
P.H.A., Paints, MCC |
| Protein-based particles | Protein-based particles offer biodegradable, tunable structures, but sourcing, moisture resistance and formulation compatibility can constrain use. | 4 |
Muhammad Nawaz Shareef University of Agriculture, University of Agriculture, National University of Singapore |
Emerging trends
Last 12 months vs previous 36 monthsTerms whose frequency in the last 12 months grew the most compared with the previous 36 months.
Funding and investment
Recent funding rounds
Recorded grant funding totals $12,054,342 across 9 grants since 2020. The funding-round data also includes large investments in organizations whose listed activities are not specific to bio-based microplastic alternatives.
Patent landscape
Top patent holders · last 24 monthsRecent developments
Latest news, duplicates removed- Sep 2026Businesses and German sites with clear roles Advertisement Evonik is securing financial leeway for these investments through the Evonik Tailor Made restructuring program, which aims to further lower the Group's cost…chemeurope.com
- Sep 2026INEOS Idles Europe's last world-scale Acetyls plant as Energy prices hit 12 times US level Advertisement INEOS European gas prices have now hit 12 x the level of those in the USA and INEOS has taken the difficult…chemeurope.com
- Sep 2026“India is among the most attractive growth markets globally, with strong demand expected across a wide range of industries” Advertisement “India is among the most attractive growth markets globally, with strong demand…chemeurope.com
- Sep 2026EU microplastics ban drives multi-million investment in North Rhine-Westphalia biotech plant Advertisement BIOWEG Europe’s restriction on intentionally added synthetic polymer microparticles, adopted under REACH in…chemeurope.com
- Month 20XXHidden developmentAvailable to registered users with alerts enabled.
Frequently asked questions about bio-based alternatives to microplastics
What companies are working on bio-based alternatives to microplastics?
Eastman Chemical Company and Cellugy are two named companies working on alternatives. Eastman develops biodegradable cellulose-ester microbeads for cosmetic formulations, while Cellugy’s EcoFLEXY platform uses biofabricated cellulose. Their work reflects two paths to replacement: chemically modifying cellulose for specific bead functions and producing cellulose through biological processes.
Which bio-based alternatives to microplastics startups are the most promising in 2026?
Cellugy is the clearest named startup in the available company details, and the dataset identifies 3 startups in total. Its EcoFLEXY platform uses biofabricated cellulose as a cosmetics microplastic alternative, with work focused on scaling and commercialization. The available facts do not provide enough comparable information to rank the other startups.
Who are the main bio-based alternatives to microplastics manufacturers or suppliers?
Eastman Chemical Company and Cellugy are named suppliers developing cellulose-based alternatives. Eastman’s biodegradable cellulose-ester microbeads are intended for cosmetic formulations, while Cellugy is commercializing its biofabricated-cellulose EcoFLEXY ingredient. The available company details describe development and commercialization activity, but do not establish production volumes or a complete supplier ranking.
How much funding has bio-based alternatives to microplastics received?
Recorded grant funding totals $12,054,342 across 9 grants since 2020. This is the grant total in the available facts; it should not be treated as a complete measure of investment in the field. The separate funding-round data includes investments in organizations whose listed activities are not specific to microplastic alternatives.
Who holds the most bio-based alternatives to microplastics patents?
Eastman Chemical Company and Dickinson lead the listed patent holders with 7 patents each. Becton, Dickinson and Company follows with 6, while Fujimi Incorporated, Zhuhai CosMX Battery Co. and Xiamen Hithium Energy Storage Technology Co. each have 3. The list includes patent holders whose activity may not be limited to bio-based microplastic alternatives.
Is bio-based alternatives to microplastics patent activity growing?
Patent activity declined 32.7% in the defined last-12-month comparison with the previous 12 months; the window contains 87 patents. This contraction sits alongside continued development of materials such as cellulose particles and polysaccharide hydrogels. Patent counts indicate disclosed activity, but do not by themselves show commercial readiness or product adoption.
What are the latest developments in bio-based alternatives to microplastics?
Recent developments include BIOWEG’s bacterial-cellulose plant announcement in September 2026 and a cellulose-bead production study published in July 2026. Researchers at Dongguk University and the National Institute of Forest Science used a sunflower-oil-assisted emulsion–gelation process to make mesoporous cellulose II microbeads. These developments point to both production scale-up and process innovation.
What are the main approaches in bio-based alternatives to microplastics and how do they differ?
The 5 listed approaches are cellulose particles, starch-based materials, polysaccharide hydrogels, bio-based polyesters and protein-based particles. They differ in their material structure and performance trade-offs: hydrogels can swell, starch can be moisture-sensitive, and polyesters may require specific conditions to biodegrade. Cellulose and protein particles offer other routes, each with formulation and stability constraints.
Which countries lead bio-based alternatives to microplastics?
The United States leads the listed country activity with 815 documents, followed by China with 282 and the United Kingdom with 271. India has 221, while Germany has 174. These figures reflect document activity in the available facts, not a direct comparison of commercial production or market adoption.
What are the applications of bio-based alternatives to microplastics?
The listed applications include personal care and cosmetics, household and industrial cleaning, food and beverage, agriculture, and textiles and coatings. Personal care and cosmetics has 28 documents, while household and industrial cleaning has 13. Other listed areas have fewer documents, including food and beverage with 2 and agriculture with 3.