This will include a “breathability” test and masks will be held to a specification requiring they have 70 percent particle filtration.
The first masks with the Kitemark are expected to be available in late July.
Chief executive of BSI Howard Kerr said: “There is an overwhelming choice of face coverings available in the market.
“The challenge is knowing which claims they make are valid and whether they provide a basic level of protection to others.
“Face coverings that are independently assessed to schemes such as the Kitemark will allow consumers to make an informed and trusted decision.