Not necessarily. You have to learn herbs, butters, oils, and regimens are huge on healthy follicles which promotes healthy long hair. Anyone can have that

Must be genetic for the large part. My hair grows super fast and super long(down to my butt lol), always has. I don’t do crazy hair routine or anything. Shampoo and conditioner once a week, sometimes hair oil and brush, that’s it. My eyebrows are the same, even though I overplucked them my whole life, majority has grown back fine