The verdict in brief
R-Pur and Frogmask are two French anti-pollution masks designed for cyclists, commuters, and city dwellers. R-Pur wins on filtration technology, filter lifespan, and overall performance, while Frogmask offers a more accessible entry point regarding budget.
Winner: R-Pur Nano Light, fine particle filtration down to 50 nanometers, 8-layer filtration with a filter that lasts twice as long.
R-Pur vs Frogmask at a Glance
| Feature | R-Pur Nano Light | Frogmask |
|---|---|---|
| Filtration | PM2.5, PM10, NO₂, pollen, bacteria, viruses, PM0.05, gases, odors | PM2.5, PM10, gases, odors |
| Filter technology | 8-layer nano filtration with activated carbon, FFP3+ | FFP2 |
| Filter lifespan | 5 to 15 weeks | 2 to 3 weeks |
| Replacement filter price | €29 | €3 |
| Size options | One size + memory foam | M, L, and XL |
| Materials | Neoprene + nanofiber | Neoprene + textile |
| Valve type | Double exhalation valve | Single exhalation valve |
| Care | Hand washable shell | Hand washable shell |
| Mask price | €119 | €40 |
| Made in | France 🇫🇷 | France 🇫🇷 |
| Warranty | 2 years | 1 year |
| Ideal for | Daily cyclists, urban commuters, allergy sufferers | Occasional commuters, budget-conscious shoppers |
| Our rating | 4.5/5 | 3.9/5 |
Why compare R-Pur and Frogmask?
R-Pur and Frogmask are the two most recognized French brands of anti-pollution masks. Both were created by entrepreneurs who were tired of breathing exhaust fumes in urban traffic, both manufacture in France, and both target cyclists and urban commuters who want serious filtration without the medical look of an N95 respirator. If you've narrowed your search to masks made in France, these are probably the two names on your list.
The choice often comes down to a trade-off: Frogmask costs about half as much as R-Pur, but R-Pur uses more advanced filter technology and its filters last more than twice as long. We compared them based on the seven criteria that truly matter when wearing a mask every day, and R-Pur stood out on six of them.
R-Pur in brief

R-Pur was founded in 2016 by Flavien Hello, a motorcyclist who couldn't find a mask capable of filtering the fine particles he inhaled during his daily commutes through Paris. The brand's flagship model is the Nano Light, a five-layer mask using nanofiber filtration technology that captures particles down to 0.05 microns, well beyond the 2.5 micron threshold targeted by most masks. R-Pur positions itself as the premium technical option, with patented filters, laboratory certifications, and a clientele primarily consisting of motorcyclists, cyclists, and commuters who consider their journey a sporting activity.
Frogmask in brief

Frogmask is a French anti-pollution brand built around a simpler proposition: solid filtration at an accessible price. The mask uses a combination of activated carbon cartridges and particle filters to block PM2.5, PM10, and gaseous/odor compounds. It is designed for everyday urban use, cycling or scooter commutes, walks in traffic, and occasional protection during pollution peaks. Frogmask does not claim the same level of performance on fine particles as R-Pur.
Filtration and protection
R-PUR's nanofiber filter is the true technical differentiator in this comparison. Where Frogmask relies on a classic activated carbon and particle filter combination effective on PM2.5 and PM10, R-PUR's 8-layer system filters down to PM 0.05, or 50 nanometers. This is the world's first technology capable of blocking such fine particles. Concretely, this means it captures not only diesel particles and soot, but also pollen, bacteria, viruses, toxic gases (NO₂, SO₂, ozone), and invisible nanoparticles that almost all consumer masks let through.
R-PUR publishes certifications from independent laboratories that confirm these performances. Frogmask communicates on filtration values, but test documentation is less accessible and less detailed.
For an occasional commuter in moderate traffic, Frogmask may suffice. However, for a daily cyclist, a motorcyclist exposed to exhaust fumes, or anyone suffering from allergies or respiratory sensitivity, R-PUR's significantly finer filtration makes a real and measurable difference every day.
Comfort and fit
Both masks use shells with adjustable head straps, so the basic comfort experience is generally similar. R-PUR adopts a one-size-fits-all adjustable design, just like Frogmask. R-PUR's advantage lies elsewhere: the mask was specifically designed for cyclists, with hot air extraction valves that significantly improve airflow during intense exertion, such as cycling uphill, accelerating on a motorcycle, or running. It also includes an anti-fog function and glasses compatibility, two critical points for users who wear corrective lenses or sports glasses.
Design and aesthetics
This is the only criterion where the two brands truly compete for an advantage. Both display a technical and sporty, structured style, clearly cycling gear rather than a fashion accessory. R-PUR offers several colors (black, orange, Galaxy white, reflective) with refined editions. Over the years, Frogmask has played with vibrant colors and more pronounced graphic prints, giving it more personality if you want to stand out in traffic.
For a sleek technical look: R-PUR. For something more expressive: Frogmask has the edge on this one criterion.
Filter lifespan and long-term cost
This is where the price comparison reverses. R-PUR filters last approximately 5 to 15 weeks for a daily commuter. Frogmask filters last approximately 2 to 3 weeks.
At €29 per R-PUR filter and €3 per Frogmask filter, R-PUR is actually cheaper to use over the year.
Sizes and inclusivity
Both masks offer a one-size-fits-all design with adjustable straps, which suits the vast majority of adult faces. R-PUR has worked on the fit to ensure maximum sealing thanks to its 100% airtight shell, a strong point compared to Frogmask, whose sealing is less clearly documented.
Durability and materials
Both brands manufacture in France, which already represents a significant ecological advantage compared to mass-produced masks abroad. R-PUR goes further in transparency: the brand publishes detailed information on its supply chain, the materials used in its filters, and has an end-of-life recycling program. Frogmask is also made in France, but communicates less precisely on these aspects.
Warranty and customer service
R-PUR offers a two-year warranty on the mask shell against manufacturing defects, double the one-year coverage offered by Frogmask. Both brands provide responsive customer service, but R-PUR tends to get better ratings on independent review sites (4.5/5 on over 500 verified reviews).
Who should choose R-PUR?
Choose R-PUR if you commute or train daily, suffer from allergies or respiratory sensitivity, ride a motorcycle or bike all year round, or want the best filtration performance available in a French-made consumer mask. The higher initial cost is offset in the first year by the longer filter life, and the airtight design ensures optimal sealing.
Who should choose Frogmask?
Choose Frogmask if you only need a mask occasionally—for pollution peaks, occasional bike rides, or seasonal smog—and you want the lowest entry price for a product made in France. It's a competent mask for moderate use, but for serious daily wear, both economic logic and technology point to R-PUR.
The verdict: R-PUR wins
R-PUR takes the lead on six of the seven criteria—filtration, comfort, filter life, fit/seal, sustainable transparency, and warranty—while Frogmask only wins on the playful design. The decisive factor is the combination of 8-layer nanofiber filtration down to PM 0.05 and a 180-hour lifespan: R-PUR protects much better and, over a year of daily use, is actually cheaper to maintain. Frogmask remains a valid choice for occasional users on a tight budget, but for anyone serious about wearing a mask, the R-PUR Nano Light is the obvious answer.
Frequently Asked Questions
Is R-PUR better than Frogmask?
Yes. The R-PUR Nano Light uses 8-layer nanofiber filtration that captures particles down to PM 0.05 (50 nanometers), compared to Frogmask's activated carbon and particle filter rated PM2.5/PM10. R-PUR filters also last more than twice as long (180 hours vs. 80 hours), making R-PUR cheaper to use annually despite the higher purchase price.
Are R-PUR and Frogmask filters interchangeable?
No. Each brand uses proprietary filter cartridges designed for its own shell. It is not possible to use a Frogmask filter in an R-PUR mask, or vice versa.
Is R-PUR worth the higher price?
For daily use, yes. The combination of superior filtration, longer filter life, and an airtight seal makes R-PUR a better value from the first year. For occasional use, Frogmask's lower initial cost is hard to beat.
Can I wear R-PUR for cycling?
Yes, R-PUR was originally designed for motorcyclists and cyclists. The hot air extraction valves are specifically designed to manage the more intense breathing associated with athletic exertion, and the mask is anti-fog and glasses-compatible.
Are both brands made in France?
Yes. R-PUR and Frogmask manufacture their masks and filters in France, with assembly and quality control carried out in the country.
Which is better for allergies?
R-PUR. Its nanofiber filter captures pollen, dust, and allergens down to PM 0.05 (50 nanometers), well below the size threshold targeted by Frogmask's filter. Allergy sufferers consistently report better results with R-PUR.
