He scrubs and kneads his scalp and long hair vigorously, working up the bubbles and lather. It's a lot of work of his hair, but after this, Wei Ying will be all clean and look nice, and even though in his drugged state, he's relaxed.

Picking up the detached showerhead he sprays on his hair to rinse and squeeze excess bubbles and water. Wei Ying's hair requires lots of maintenance!

"There. All clean. It's all better. How do you feel? Good?"