Can drinking a glass or two of wine the day before or after Vbeam laser treatment cause permanent damage?

Wine and alcohol in general can create flushing. This will have no long term effect on the benefit of your Vbeam treatments but is a temporary flushing of the skin from the capillaries and dilated vessels. "This answer has been solicited without seeing this patient and
cannot be held as true medical advice, but only opinion. Seek in-person
treatment with a trained medical professional for appropriate care."