BreathiZen is advertised with a 60-day money-back guarantee, stated to apply even to empty bottles. We recommend confirming the exact current conditions directly at checkout before ordering.
Contact BreathiZen's official customer support directly — not this website — with your order number, within the guarantee window confirmed at your time of purchase.
Calendar your deadline the day your order arrives. This is the single most practical thing you can do to protect your guarantee.