Eu-Seb Mask has an anti-inflammatory and soothing effect, reduces sebum production and keeps the skin matte for several days after use. Eu-Seb Concentrate contains prebiotics restoring the healthy skin microflora. Basically, it means displacing and decreasing the activity of pathogenic bacteria which cause acne and inflammation, and at the same time promoting the active growth of beneficial bacteria which, in their turn, restore the skin’s natural protection. Eu-Seb Mask creates a perfect medium for the growth of healthy microbiome enhancing the effect of Eu-Seb Concentrate to the max. This doesn’t mean that one won’t work without the other, but together they certainly have maximum effect on the skin.