
Med Spa Bookkeeping: How to Handle Injectable Inventory, Injector Commissions, and Membership Revenue
A practical bookkeeping guide for med spa owners covering the industry's hardest problems — tracking expiring injectable inventory with FIFO and treatment recipes, calculating 15–25% injector commissions from provider-level revenue, deferring membership and package revenue until services are delivered, and building a chart of accounts that shows which service lines actually carry margin.









