They can give you the basic recipe, but the full formula varies from application to application. Some molecules won't stand acid, or soap, or heat, so you need

They can give you the basic recipe, but the full formula varies from application to application. Some molecules won't stand acid, or soap, or heat, so you need to work around it. It's rarely just one or two molecules, except in extremely cheap things, and it will need dozens of support flavors to get the right result. The specifics are closely guarded secrets, because of the weird way the industry pays for research and manufacture.