Does Razor cuts traumatize hair

Many people have their opinions about whether you should razor your hair or not. Alot of things play a factor in this. However, the most important thing to consider is, its not what your hair is cut with, but if it's sharp or dull. The sharper the instrument the better the cut, be it a razor or scissors.,
Razor cut hair has a rough surface therefore it can invite the start of splitting as well as be vulnerable to damage since a brush or comb can snag the open cortex of the hair. Where as scissors make a straight cut lessening the damage procedure