An application delivered by an application service provider (ASP) over a global computer network for use by cosmetic practices in performing a multiplicity of functions, namely, database management of available services and product inventories, script generation for use by sales and administrative staff, scheduling and management of sales contacts between sales persons and potential customers; application service provider (ASP) featuring software for use in scheduling and management of appointments between the cosmetic practice and potential patients, generation of budget dependent patient treatment plans, calculation and comparison of financing options for treatment plans, completion and printing of sales contracts for treatment plans and generation of reports concerning patient treatments and transaction