Mail order scones keeping them fresh

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Was wondering if there is any additives that actually work to keep scones fresher longer, for my mail order business.  I want to add scones to my menu, however they dry out so quickly and I want to make sure i am selling high quality productservice only.  Any ideas other than vacuum packing?  

A cream scone should keep a nice mouth-feel for quite sometime.  Seems that buttermilk (aka biscuit scones) dry out very quickly, even just sitting on my counter for a day or so.