last hours or more on normal skin [SEP] it definitely prolongs the use of makeup by at least hours and you would not need to blot i am on a skin treatment that causes my skin to become excessively oily no joke my skin becomes so oily i need tissues to wipe the oil all off and immediately i am done wiping the oil oozes out again my normally normal skin now oils up to the point that i can scoop up oil in a spoon in an hour its so annoying nothing was working to keep the oil at bay when i was at work my face would be so oily i stopped using foundation and would have to rub my face down with a towel due to the oil this kept my skin oil free for hours no blotting at all but could not hold it back after the hour that was fine when my skin returns to normal i know this product should last hours if not a week without blotting if you plan on keeping makeup on for a week straight