once in am, then if it's a strong scent i will skip reapply but will try another scent at night after i shower.
other times once in am, then if it's a weak scent i will layer another on top, figuring the first one is pretty much gone. then after evening shower try a different scent.
i have plenty of bottles so im not worried about wasting juice. anything that is rare or discontinued i will only spray in the morning or if im going out for the night....