Since
“You're only as good as your last haircut.” “A woman who cuts her hair is about to change her life.” “Happiness is a new haircut.” “Never underestimate the power of a good haircut.
Life is too short to have boring hair. My mood depends on how good my hair looks. I make hair contact before I make eye contact. If my hair looks good, I can deal with anything..
If you intend to pick up the scissors and cut your hair yourself, yes, it is perfectly correct, But if you mean that you plan to get someone else to cut your hair for you, then you should say, “I want to get/have my hair cut”.
In some cultures, cutting one's hair is seen as a way to release past traumas and signify a fresh start. However, it's important to note that this is symbolic and personal, not a universally applicable or scientifically validated concept.
