Hi there, I am not a professional yet, but I have some questions (probably you'll recommend some videos). How to work with 4th hair types and. Specific equipment? And what's the difference from 4A to 4C, and is there anything specific for male/female haircuts. Because I was googling for equipment and I got this type of articles (and the interesting thing is that's for black men. Soo, I bet products are good, but is this just profanity?