Having come from a galaxy where sentient beings can have more than one head, Kylo's not particularly disturbed by hair dye— though his mouth does tug into the slightest twist of a smile at her attempt to explain it.

It's... cute.

"I have legs," he assures her. "I could give myself more, if I wanted. I could melt myself down into a pool or draw myself up as a mountain. I could become the grass beneath your feet, or the air in your lungs. We're not limited by our physical bodies, here. We can be anything we want. Anything that suits."