Masks to Breathe Safely

Co-funded by: -Co-funded by

One of the most effective measures to minimize the spread of COVID-19 is the use of face masks. However, one of the main difficulties that users encounter is the lack of comfort and uncertainty about the protective effectiveness that the mask provides.

The most immediate way to guarantee the effectiveness of the masks is regular replacement. However, given the need for community use, this method raises questions related to the availability of means of protection and the generation of non-recyclable waste. Therefore, it is relevant to develop methods that, indirectly, allow to estimate the useful life of the masks, giving the user the suggestion that it will be necessary to replacement, to maintain a safe level of protection.

Masks4Safety project aims to develop masks with optimized ergonomics and with temperature and humidity sensors integrated in its structure. The measurement of these parameters will allow to evaluate the effectiveness of the protection, generating alerts whenever it is identified that the useful life has been exceeded. The evaluation of parameters such as humidity and temperature, will make it possible to assess the condition of the mask, that is, whether it maintains effective protection. This evaluation will be based on the identification of periods and conditions of use, recording situations that may favor the spread of the virus, such as high temperature or high humidity. A study will also be carried out to optimize the design of the masks, to improve their ergonomics to make them more comfortable, providing greater comfort to the user.

Main goals

  1. Optimization of mask ergonomics, contributing to greater comfort during prolonged use;
  2. Integration of temperature and humidity sensors, to assess the effectiveness of protection and, consequently, the useful life.

Project Number: POCI-01-02B7-FEDER-069468

Approval date: 21 July 2020

Project Duration: September 2020 to March 2021

Eligible Cost: 207 023.96 €

Financial Support EU: FEDER – 165 619.16 €

Project TypeSI I&DT Empresarial – Copromoção

Intervention Region: Centre and North of Portugal


Masks4Safety project will develop masks with increased comfort and with simple and small size sensing systems, which allow monitoring the effectiveness of protection, over time and depending on the use conditions.


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