Please note, on occasions, 1-2ml may leak out of bulk sizes ( 1 litre and 4 litre units). Packages are typically airmailed to get to you as soon as possible and the pressure changes from air to ground may result in a stickyness around cap. Rest assured your unit has not been tampered with or otherwise. In the event you have experienced a significant loss of product please refer to the 'damaged package' section of our help centre. We will get you sorted!