In short, the answer is yes, it is possible to over oil your grooming scissors. Over oiling any make or model of grooming scissor can cause a number of issues and ultimately prevent the scissors from performing and cutting correctly. 

 

The main issue is if too much oil enters the tension system. Large amounts of oil within the system can loosen the 'spring force' as it prevents the individual components gripping one another and creating the 'force' required for the scissor's to perform. 

 

Spring force is created when a spring (in the case of grooming scissors, this refers to the tension system,) is stretched or compressed. It is displaced from its equilibrium position and in turn, exerts a force in the opposite direction to the displacement, tending to return the spring to its original position. When applying this to dog grooming scissors, the components within the tension system, are compressed onto another as the tension screw is tightened. This allows the blades glide over one another smoothly and cut correctly. The over use of scissor oil will disrupt this force and it will prevent the screw from clicking and tightening when adjusting the scissor's tension. 

 

This force however, can be reduced by loosening the tension screw. This results in the components 'relaxing' and the blades feeling very loose and not cutting as they should. 
 

Here are some tips for oiling grooming scissors and avoiding over-oiling: 

  • Amount of oil: Use a 1 -2 drops of oil, and avoid using more than two drops. 
  • Location: Apply oil to the inside of the blades and close the pivot point.

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  • Working in the oil: Safely open and close the blades approximately 10 times to ensure the oil has entered the tension system fully. 
  • Wiping excess: Wipe away any excess oil from the blades. 
  • Frequency: How often you should oil your scissors depends on how often you use them. If you use your scissors frequently, you may need to oil them daily or weekly. When cleaning the blades before putting the scissors away, you may only need to oil them once a month. 
  • Type of oil: Use a professional dog grooming scissor oil or oil made specifically for lubricating grooming scissors. Other types of oils such as Clipper Oil can contain substances that create a sticky residue that prevents scissors from cutting efficiently.