1st timer, no more than one 4oz bottle ~3-4$. READ THE LABEL if you mess with this shit b/c if there are ANY active ingredients other than the dex you got the wrong one.
and the robo-itch doesn't come from the syrup. i know this for a fact as i was lucky enough to score USP grade powder from a chemical supply house a few years ago before they were brought down, lol.robo-itch sucks when you get it. usually my scalp itches like a mofo when i get it. the robo walk is the best, lol. its like your trying to control a robot body using only your thoughts but its just not working quite right...