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🌀💪 New: Real Washing Power with our 5th Generation Washing Strips — May 2025

🌀💪 Nieuw: Echte Waskracht met onze 5e Generatie Wasstrips — Mei 2025
New: Our 5th generation of wax strips is here! 🤩 We have worked hard to improve the formula even further based on customer feedback. We asked on January 14 what your most common stains were with this...

This post was originally sent as a Cosmeau newsletter in May 2025.

Summary Mailing

  • 🌀💪 New: 5th Generation Wax Strips
  • 🇳🇱 Scented pearls Made in HollandPre-Sale
  • 🎁 FreeGoldenStorage box for you
  • 💶 Discounts June:Spring Fresh scented pearls and G5 Wax Strips

🌀💪 New: 5th Generation Wax Strips

Mailing afbeelding

New: Our 5th generation of wax strips is here! 🤩We have worked hard to improve the formula even further based on customer feedback. We asked on January 14 what your most common stains were, with this result:

Mailing afbeelding

This formed the basis: we focused on better removing grass, mud and food stains. We used independent SGS tests for this. SGS is a world-leading testing, inspection and certification company.

Our own test facilities are not (yet) at the level at which we can test and guarantee significant differences reliably and consistently. SGS carries out washes according to international standards (AISE standard), whereby textile wipes are stained, washed and measured under exactly the same conditions.

In short: expensive, but measurable 😆

Unfortunately, sweat is difficult to standardize on textile wipes, so we called in our test panel for this - or you! Or more specifically: those of you with a family that can sweat a lot 😅. We are still in the middle of the process of testing, collecting feedback and improving. Thank you for your literal physical efforts! 💪

Okay, nice all those results... but what does it really do?

As far as the main spots;32% better cleanliness on grass and mud stains and24% better on food stains.

On some other stains, such as wine, G5 performs slightly less well. But because these are not common stains (1% of respondents), we have chosen to focus mainly on the stains thatwelloccur often. That seemed like the most logical choice to us. Of course, we will continue to develop and we are already testing an update.

This is how you recognize G5:
At the top right of the packaging you will find a green dot with “G5”.
The sheets are blue or white with brown dots — depending on the batch.

Test them yourself and let us know what you think!

We compared G5 to over14 brandsfrom the Netherlands, Belgium and internationally - all tested under the same SGS conditions. During formulation we had one mission: to create the best wax strip based on real measurable performance. And that worked.G5 is the best wax strip on the market. 🎉😊

The new G5 strips contain5 typesenzymes:
  • Mannanase NEW
    Enzyme that breaks down vegetable stains (such as mud, grass, vegetables). Enzymatically active at low temperatures. Biodegradable.
  • Amylase NEW
    Breaks down starch from stains such as pasta, rice or sauces. Supports deep cleaning. Biodegradable and environmentally friendly.
  • Protease
    Enzyme that breaks down protein stains (such as blood, dairy or egg). Significantly increases washing power. Biodegradable.
  • Lipase NEW
    Enzyme that breaks down fats and oily stains. Works powerfully even at low washing temperatures. Biodegradable and gentle on the environment.
  • Cellulase
    An enzyme that conditions cellulose fibers by removing small fiber pieces that can cause a dull haze. This keeps colors fresh for longer and laundry looks new for longer. Biodegradable.

Pre sale alert 🔔

The first, limited edition ofLentefris G5 – 120 washesyou can book from today with until32% introductory discount, especially for you! They will ship in early June.

Extra from us:

Are you still ordering this month of May? Then you will receive with every order from €20two free G5 samples. These are automatically added to your order when shipped.

NB:the smell of G5 may differ slightly from G4. We have been able to bring the scent closer to the Lentefris fragrance pearl.

We will tell you everything about G5 in the near future. Stay tuned 😊

Discover G5 →

🇳🇱 Fragrance pearls Made in Holland Pre-Sale

In our previous mailing we indicated that we would start mass production of ours this monthmicroplastic-free scented pearls!We are well on our way, the machines are connected and all working properly. But nothing without a challenge of course. It turns out that scaling from lab to production machine is more challenging 😬

We made the first larger batch and the process started to clump together and not mix quite right. We now know why this is the case, but we are left with scented beads that do not meet our standards but still emit an odor.Because we don't want to throw it away, we are going to sell this batch for a small price of €5. Then you help us against waste and you get scented pearls for a low price.

Because the scents now come from Europe, they can do somethingdifferences. We think Lentefris smells even more like Lentefris because the characteristic scent emerges more strongly. In addition, we select the raw materials of the scents that these ⚠️not carcinogeniccontain substances at oil level.

We have discovered that this hazard symbol does not always have to be mentioned if odors fall below a certain percentage. We don't want this in our products for you, in our nose, or on our skin! Yet another reason to produce locally and yourself for complete control 👋

For the rest, we are preparing for the entire process, the filling machines will arrive next week, batch printers are being tested, and we are sourcing the scents one by one within the EU.

Order Fragrance Pearls Outsiders →

🌟 Save for Free Golden Keeper Box 🌟

Mailing afbeelding

You had already seen them and you could get them at the opening of our store in Haarlem. Thespecial edition champagne gold storage boxfor the most loyal fans. Not for sale, only for earning. You get it at thegold VIP status if you reach 5,000 pointsyou have achieved. Those who have already reached the gold VIP before today can contact us for the box. You can see your status when you click on the blue gift icon on the website.

☀️ June Discounts

Here are all the discounts at a glance:

  • 15% Discount on G5 120Wax strips Pre-Sale
  • 15% Discount onFragrance pearlsSpring fresh
  • 10% Discount on Fragrance Pearls Spring Fresh Refill
  • 15% Discount onstorage boxSpring fresh
  • 10% Discount onDishwasher Deep Cleaning Tablets
  • 15% Discount onTowel and tea towel 2-in-1 color Clouds(light gray)
  • 15% Discount onBlack dishcloths
  • Fragrance pearls made in Holland BuitenbeentjesSpring Fresh Refillfor €5

That was it again. Every month one step closer to our mission. We are making good progress with production. We can't wait for you to try all the scents 🙌


As always,thank you for choosing Cosmeau 💚

With your contribution we will work on:

Local production with social impact. We create affordable and sustainable cleaning products for you and your home step by step, honestly and ethically.

Upstairs with us€19 already free shipping (NL)otherwise €2.95. Delivery often thenext working dayfrom usDutchStockroom.

Have youto askorcommentsfor us always let us know viachat, e-mailorby telephoneon +31 88 04 04 488 🤗
Sustainable greetings from Team Cosmeau!💚

Jason & Vivienne

Mailing afbeelding

👩‍💻Oursupport heroesstand foryoufinished!

Back to blog

Our mission is to reduce plastic waste in our everyday products and make this possible for everyone in our society.

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  • Leaf icon Prices that are accessible for everyone
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We strive for

Plastic vrij
Plastic-free

As much as possible without plastic and biodegradable

Dierproef vrij
Cruelty-free

We never test on animals

Plantaardig
Plant-based

Plant-based formulas with the power of nature

Vaste vorm
Concentrated

No unnecessary transport of water

✨ Holiday and Sun Offers — May 2026
✨ Holiday and Sun Offers — May 2026

Zomerbries, 2+2 wasstrips, zomer aanbiedingen en een productie-update over de volgende generatie wasmiddel.

✨ Spring clearance discount - New: Felt storage boxes - April 2026
✨ Spring clearance discount - New: Felt storage boxes - April 2026

This post was originally sent as a Cosmeau newsletter in April 2026. Summary Mailing ✨ New:Neat felt storage boxes 🌱🌞...

🌱🌞 Spring cleaning: 1+1 Spring Fresh Wax Strips — March 2026
🌱🌞 Spring cleaning: 1+1 Spring Fresh Wax Strips — March 2026

Ready for the big cleaning? Discover our 1+1 Spring Fresh washing strips, Spring Fresh offers and useful cleaning tips.

Sorting laundry without hassle: this way you prevent discoloration and gray laundry
Sorting laundry without hassle: this way you prevent discoloration and gray laundry

Sorting laundry doesn't have to be complicated. With a simple division by color, fabric and temperature you prevent discoloration, gray wax and unnecessary wear.

Clean dishwasher without aggressive agents
Clean dishwasher without aggressive agents

Cleaning your dishwasher without aggressive agents is fine, as long as you tackle the filter, grease and hidden dirt in the right way.

Smelly Dishwasher? This Is Usually the Real Cause and How to Fix It
Smelly Dishwasher? This Is Usually the Real Cause and How to Fix It

A smelly dishwasher is usually caused by grease buildup, food residue, or a dirty filter. This article explains the real causes and the fixes that actually work.

August Update on Scent Booster Production
August Update on Scent Booster Production

Cosmeau shares a new update on scent booster production in the Netherlands. The machines shipped in June have now been unloaded and moved into place safely.

June Update on the Scent Booster Production Machine
June Update on the Scent Booster Production Machine

In June, Ben and Jason traveled to China to inspect the scent booster machines in person. This update gives you a look at the production equipment and the trip behind it.

How Is a Laundry Detergent Sheet Made? Part 1
How Is a Laundry Detergent Sheet Made? Part 1

Cosmeau shares its journey toward local production in the Netherlands and shows how the first laundry sheet tests began. Part 1 covers how the production project started in 2022.

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