Ummmm I’m 99% sure he’s ever mentioned cutting it in canon, he’s far too in love with it to cut it ;} It’s sort of his security blanket.

I headcanon that he does style it, he’s braided it like Thor, he’s into trendy accessories and sparkly clips, he’s dyed colorful streaks into it. He’s very into the manbun fad as long as there’s a lot of front pieces loose:

[^Lestat w/ manbun by @remarried] and his phone case is really thick bc he drops his phone constantly.