Astrigent /skin tonic/after shave lotion are not stricly cleansing products but their cooling and refreshing action provides the ideal finishing touch to the cleansing process .
Strictly speaking , an Astrigent /skin tonic/after shave lotion is some thing which will close pores of the skin, thereby reducing the secretion of perspiration and sebum. How ever, as this is the natural response of the skin to being cooled, products which cool and refresh the skin will be astrigent too.