To certify that you are getting the original concentrate, a special seal with an identification logo has been introduced in Europe. This is being used on bottles and on flyers. It is sealed / welded in with the label while still in the production laboratory. In this way you can have certainty and use the product safely for years.

Due to direct cooperation and authorization by its only producer, the legal and guaranteed original product is always identified, in Europe, by the seal shown
on the left.

This protection is necessary as there are already some retailers offering own compositions or diluted stabilized oxygen. Although the bottles look quite the
same, their contents is totally different. Even the label "aerobic oxygen" or E. D. Goodloe is partly used there, too.