Now this technologic method is standard practice
Suspension nasal sprays: The active ingredient exists as insoluble particles suspended in the aqueous carrier
Your plan can include one or both based on goals.
Current Opinion in Investigational Drugs, 7(4), 312-318
Perilipin-null mice also display a significant resistance to diet-induced obesity (78, 106, 127) that is explained, at least in part, by increased beta-oxidation of fatty acids, the products of lipolysis (106), following from a compensatory induction of genes involved in lipid and energy metabolism and a downregulation of genes involved in lipid biosynthesis (20)
Once you add water, the clock starts ticking, peptides in liquid form must be refrigerated and used within weeks