About Keep

About Keep

Welcome to Keep Safe

4N Health Oy Ltd. in Finland is the company that develops and manufactures high quality medical grade face masks under the brand Keep and “face masks under brand: Keep Safe”.

Keep Safe Surgical Face Masks

Our mission is to ensure that life can go on during and beyond pandemics, such as the COVID-19 crisis, by offering a supply of safe, preventive and lab tested facial masks under the brand: Keep. 

Our mission is to save lives.

Our Manufacturing Experience

Keep Safe brings over four decades of experience within athletic and aerospace clothing production, building racing cars, and manufacturing automation.

Mika Arpiainen, founder of 4N Health Oy Ltd and the Keep Safe branded face masks, has decades of experience in the international clothing industry where he has served customers such as Michelin, Formula 1 and Rally Teams, Ford, Castrol and lead the development the first fire-resistant overalls for Formula 1, and cooling clothing for NASA.

Keep Safe is 100% Biodegradable & 100% Recyclable

Together with our Italian partner, the inventor behind the Nuovo Mondo PolyBiotech fabric, we are pioneering the face mask industry with a product that is 100% biodegradable, 100% recyclable, washable, laboratory tested, and classified as a Type II and TYPE IIR medical mask with CE.

4N Health Oy Ltd was established as a separate entity for automating production of Keep Safe’s unique reusable and washable surgical face masks.

Keep Safe Distribute Face Masks Around The World

For application as reseller of Keep Safe Face Masks, please contact us at: magdalena@4nature.fi