It is an acid-free grease that ensures optimal lubrication.

Only a tiny amount of grease is required for lubricating the cork seal.

After applying the grease, we recommend thoroughly rinsing the fountain pen with warm water before its first use to remove any potential residue.

The container contains approximately 20 ml of the lubricating grease, which is sufficient for long-term use.

Please note that we do not accept liability for any self-inflicted damage to the writing instrument. Therefore, the product should only be used by knowledgeable individuals or at one's own risk.