David had a list of potions he would want to use, both on Severus and Fleur. They were mostly normal ones, skin-clearing potion, hair-thickening potion, revitalizing hair tonic, but there were a few that he had abbreviated as flxsd oil, tthls crp trtmt (get giant tub), sgr scrb. His handwriting was tight yet loopy, the opposite of Severus" in his potions book.