DSPE-PEG-OH (MW 6000) is a phospholipid with a hydroxyl-terminated PEG chain. Its hydrophobic tail facilitates the encapsulation and aggregation of other hydrophobic drugs, while the hydroxyl end allows for further chemical reactions. DSPE-PEG-OH (MW 6000) can be utilized to prepare liposomes or lipid nanoparticles, offering potential applications in drug delivery studies and enhancing drug absorption research.