You may not be aware of it now, but there is an incredible power sleeping within you, waiting to be unlocked. If you can control it, you could be one of the strongest fighters on Earth. (—Piccolo. EP 6 No Time Like the Present)
Maybe Super Saiyan hair is yellow because their energy is channeled up into their hair, so if you cut their hair it would stop the energy flow and turn black 🤔
(I FINALLY DREW SOMETHING YAAAY, it’s super messy though because I have a migraine now and am too lazy to clean up the line art).
This outfit and this age is peak Gohan. The man was a beast before beast was even a thing.
Edit: I'm not stating this is peak Gohan as a fact. It's a personal opinion that I've had since I first saw Teen Gohan in the Bojack movie. I just really love Teen Gohan in his father's outfit style and when he powers up he goes from a really happy-go-lucky smiling child to a ruthless stone cold killer protecting his friends and families world.