FAQ

 
Yes, you can use it.

Since the mask is the one thing that touches your face all the time, therefore, KENKOU masks are designed and manufactured especially for people with sensitive skin. It has been tested and confirmed that it is free from allergens and skin irritations, including skin toxicity.

 
You can use all types of KENKOU masks.

All KENKOU masks have been tested and confirmed to be free from allergens and skin irritations.
In this regard, it is recommended that you choose a model that is suitable for use instead.


All 4 colors of KENKOU masks are 3-layered with no different filtration properties.
The only difference is the color of the outer synthetic fiber, so you can choose the color you like.

 
KENKOU masks’ both colors of Activated Carbon Filter are 4-layer filter, which has the same filtration properties, but different in that the texture of the black Activated Carbon Filter is softer.

 
Yes, the KENKOU mask is registered as a Medical Device and has been approved by the Food and Drug Administration for its ability to filter bacteria and viruses..


Yes, the BFE, VFE, PFE values ​​are more than 99%.
(More information can be found on the KENKOU Certified page.)

 
With the features of the filter which is high efficiency, and has been tested and confirmed the efficiency of filtering particles as small as 0.1 microns more than 99% (PFE 99.7%), it can filter dust as small as 2.5 microns (PM2.5).

 

You should wear the mask with the dark side or cartoon pattern on the outside, and the coil side or KENKOU letters on top.

In the case of a black or white KENKOU mask which has the same color on both sides, look at the ear strap seam and put on the mask with the inside of the seam touching the face.

 
It is recommended to change the mask every day.

If it is necessary to wear a mask all day, if there are contaminants/ sprays/ bloods, or the mask is torn, or you feel uncomfortable breathing as usual, you need to change the mask immediately.

Or with a period of time to change the mask, PUBLIC HEALTH ENGLAND recommends changing the mask every 2-6 hours depending on the usage activities.

 
5 years from the date of manufacture. However, please close the lid of the mask box every time to prevent dust and dirt from entering.

 
At the moment, the academic data being tested on this subject is still controversial, no laboratory tests with serious control of various factors and inoculation have been performed.

However, for KENKOU masks, based on theory, spraying alcohol on the mask will affect the effectiveness of the water-spray protection of the outer mask, therefore, we do not recommend using it again or using it after any reuse process.