Is a mullet unprofessional?

I know it's just hair. But I always heard people saying when I was younger, having dyed hair, having tattoos or piercings, having any hairstyle or appearance that was not "normal" made you look unprofessional. Even heard women with a sideshave and multiple ear piercings called unprofessional.

I have a job interview tomorrow and I have a mullet, and some faded dye left from months ago. I don't want to cut my hair again because I I like how it looks now. But I wasn't thinking about getting a new job when I changed to this style.

Example photo
Example photo

In your experience has your hairstyle or color ever effected your job or your trying to get a job? Has anyone ever commented on it as a negative thing in a professional setting?

Is a mullet unprofessional?
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