Hi mate. I am also of Caribbean descent and had mine done a year ago. You can choose hairline and colour but imo it’s best to let the practitioner choose the colour as they’re experienced. Hairline you will have a lot of input.
I’m not entirely happy with the density of mine so actually have a 4th session booked a month from today.
Go for it and enjoy the journey dude. One of the best things I’ve ever done.