The Effect of Wearing Facial Masks on Skin Parameters During the COVID-19 Pandemic

Exclusion Criteria

• •skin disease, skin damage on measurement sites
• •use of corticosteroids, antihistamines and immunomodulators a month prior the inclusion and during the trial
• •use of emollients three days prior the inclusion in the trial
• •non-adherence to the trial protocol
• •exposure to artificial and excessive natural UV radiation
• •pregnancy and lactation
• •skin cancer
• •immunosuppression