Pharmakeep® packets

PharmaKeep® is an innovative and unique line of polymer-based oxygen absorbers that are « humidity neutral». Unlike traditional iron-based oxygen scavengers, PharmaKeep® requires no moisture to react.

Available as canisters, packets and bags, PharmaKeep® oxygen absorbers protect pharmaceutical, nutraceutical and diagnostic products from oxygen degradation and oxidative reactions, thus extending the shelf life. Because they do not require humidity to function, PharmaKeep® can be used in conjunction with desiccants.

Oxygen scavengers are often used in conjunction with high barrier containers. Airnov offers Oxynov™ Barrier Bottles.  For more information visit our Oxynov™ Barrier Bottles page.

PharmaKeep® is a Trademark registered by Mitsubishi Gas Chemical, Inc. Mitsubishi Building.


  • Humidity neutral:  PharmaKeep® Is humidity neutral, absorbing oxygen at either low or high relative humidity levels, and can be used in conjunction with a desiccant. Compared to iron-based oxygen scavengers, PharmaKeep® will not release moisture to the drug product.
  • High speed insertion: Due to their rigidity, PharmaKeep® capsules can be inserted at high rates of speed using standard desiccant canister insertion equipment.  Packets can also be automated.
  • Full protection: PharmaKeep® can be paired with Airnov’s Oxynov™ oxygen barrier bottles for an ideal package solution
  • Degradation avoidance:  With PharmaKeep®, the chemical and physical degradation of drug products can be mitigated, sometimes visible in extreme color change


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