No one cares who I am, people only care what's my hair color, where or how much did I dyed :)
Happens often. My friends and most of them are strangers, they would touch and "inspect" my hair.
One unforgettable one when I was blonde- I went to immigration. When I entered, the securities were smiling, I thought I did something wrong and asked what happen. They said nothing. And when I left, one of the security said "Nice hair!" lol was quite surprised and funny to hear security said that as security stands in a strict position in my mind. They have no difference from policemen wa.