Together on a clean course!

Innovative cleaning products created for the yachting industry, with care for the aquatic environment.

Innovative formula
Well-thought-out solutions developed with the yachting industry in mind.
Effectiveness backed by testing
We test our products on real surfaces and real dirt.
Care for the aquatic environment
We develop our products with their environmental impact in mind.
Made for yacht grime
Solutions that answer the needs of yacht users.
By sailors, for sailors
The project is built by people from the yachting industry.

Products

Effective solutions for a clean yacht.

We create products that answer the real needs of sailors. Our solutions are designed for the different surfaces and types of dirt found on yachts.

In development

Universal deck cleaning powder

A concentrate for preparing a cleaning solution, developed for cleaning surfaces on yachts.

In development

Paste for stubborn dirt

A product developed for dirt that calls for more intensive cleaning.

In development

Interior spray

A solution for cleaning surfaces inside yachts, with a reusable bottle and a product refill.

Swipe to see them all

We test effectiveness in practice.

We test our products on real surfaces and the kinds of dirt found on yachts. We check how they perform in everyday use, so we can develop solutions that answer the needs of the industry.

See the test results

Metal part after cleaning — Greasy deposit on an engine

Metal part with deposit before cleaning — Greasy deposit on an engine

Pontoon: left half before washing, right half after washing — Pontoon

Brass bell: before and after washing with Polishell — More tests swipe sideways

Steel cover: before and after washing with Polishell — More tests swipe sideways

Julia Dębicka at the helm of a yacht on the open sea

The founder's story

First the sea. Then Polishell.

25,000+ nautical miles sailed by Julia Dębicka, founder of Polishell

Watch officer on STS Pogoria
Watch officer on the Oshee World Expedition
Deckhand and chef on superyachts
Yachtmaster (Polish Jachtowy Sternik Morski) and sailing instructor
PADI Advanced Open Water Diver | SSI Freediver
Product designer, graduate of the Academy of Fine Arts in Warsaw
Coach and speaker: educational travel talks across Poland

Julia is a product designer by training, which is why Polishell is built from the user's point of view. We test every formula and every pack where it will be used: on deck and at sea. As a coach she has also spent several years giving educational travel talks across Poland, speaking, among other things, about her love of the sea and how to protect it.

“A business born of a passion for sailing, care for nature and respect for the elements.”
Julia Dębicka, founder and CEO

B2B partnerships

Solutions for the yachting industry.

41 letters of intent from charter companies, marinas, chandleries and shipyards

We work with:

Marinas
Charter companies
Sailing schools
Yacht service providers

We want to develop products tailored to the real needs of the industry and of yacht users.

The crew. Experience that counts.

We share years of sailing experience and a commitment to developing solutions for the yachting industry. We know what work on the water is really like, so we build products around the real needs of users.

Julia Dębicka
Founder, CEO
Sailor and product designer. She combines experience gained on the water with expertise in product design and development.
Ewa Kochańska
COO
Co-develops the project and coordinates its delivery, keeping each new stage well organised.
Marcin Sinica
Finance and business development
Professional sailor and yacht surveyor. Brings hands-on industry experience and the perspective of yacht users.
Beata M.
Chemistry and laboratory analysis
R&D chemist. Brings expertise in chemistry and laboratory analysis.

Gallery

From the deck

Blog

Knowledge Zone

Water protection, regulations and good practice on board. We write carefully, with sources. Articles are in Polish.

Mokry tekowy pokład jachtu z drewnianą szczotką i zwiniętym wężem, w tle morze i niski piaszczysty brzeg

31 października 2026

Woda za burtę: co MARPOL mówi o myciu pokładu jachtu i jaki papier od dostawcy wystarczy

Woda z mycia pokładu to dla przepisów zrzut odpadu, także z jachtu i także na Bałtyku. Wyjaśniamy, kiedy wolno ją spuścić za burtę i jakiego dokumentu szukać przy zakupie środka.

Marina o poranku: jachty przy pomoście, niebieska flaga na maszcie i kratka odpływu w miejscu mycia łodzi

28 października 2026

Pięć marin z Błękitną Flagą, żadna na Mazurach: czego flaga wymaga od myjni i środków czystości

W sezonie 2026 Błękitną Flagę ma w Polsce pięć marin, wszystkie nad morzem i zalewami. Sprawdzamy, co kryteria programu mówią o myciu łodzi i o tym, czym sprząta się samą marinę.

Biała butelka płynu do mycia na drewnianym stole w kabinie jachtu, za oknem jezioro i trzcinowisko

25 października 2026

Listek z przodu, ryba z tyłu: jak w pół minuty przeczytać etykietę płynu do łodzi

Zielona butelka z listkiem niczego jeszcze nie mówi o wpływie na wodę. Pokazujemy, co sprawdzić na odwrocie etykiety: piktogram GHS09 i zwroty H400 do H413.

All articles (in Polish)

Together on a clean course!

Innovative formula

Effectiveness backed by testing

Care for the aquatic environment

Made for yacht grime

By sailors, for sailors

Universal deck cleaning powder

Paste for stubborn dirt

Interior spray

We test effectiveness in practice.

First the sea. Then Polishell.

Solutions for the yachting industry.

Julia Dębicka

Ewa Kochańska

Marcin Sinica

Beata M.

Woda za burtę: co MARPOL mówi o myciu pokładu jachtu i jaki papier od dostawcy wystarczy

Pięć marin z Błękitną Flagą, żadna na Mazurach: czego flaga wymaga od myjni i środków czystości

Listek z przodu, ryba z tyłu: jak w pół minuty przeczytać etykietę płynu do łodzi