The most reliable way to ensure you are receiving an authentic product is to buy directly from the manufacturer or authorized dealers:
: Sells the standard 25-vial boxes and multi-product bundles through its online marketplace. International Availability
: The main brand store offering various sizes, including 5-vial trial packs ($19.95), 10-vial packs ($37.95), and the "Facelift in a Box" (25 vials for $64.95).
