Look for razors keeping the vehicle safe guard wires over the blades lessen the chance of cuts and nicks and skin itching.
If not, perhaps it is time to redesign the idea. If pain and discomfort is a principal concern make use of a pain reducing gel or cream which are available from pharmacists. http://https//Google-Pluft.us%2Fforums%2Fviewtopic.php%3Fid%3D583174/