Use a knife sharpener with scissors, one blade at a time.
Cordless scissors, sometimes called electric scissors
For centuries Amazonian people used Piranhas to cut hair and sharpen blow dart tips. When explores brought scissors to the Amazon region they named scissors after Piranhas.
A few seconds.
No it will just dull them
Usually instead of sharpening the blades on an electric razor you can just replace them.
have it professionally sharpened. shears (hair scissors) run from $100 to $1000 or more. doing this at home is possible but requires great skill to do correctly and since you are asking this question in the first place, you don't have the skill to freehand sharpen. we are talking years of "practicing" on these $100 plus scissors before you stop ruining the edge beyond repair (something even a professional can't fix.) i know this isn't the answer you wanted to hear, but it is the truth.
one tooth at a time on both sides Answer unplug it first.
I use my electric grinder with rough & smooth grinding wheels
Scissors: pinking shears, standard, or electric, rotary wheel
Scissors: pinking shears, standard, or electric, rotary wheel
Hard plastics or other materials that are not easy to cut with conventional scissors. Also would be useful for people who have arthritis and find the cutting action difficult.