Recently, I had an interview and wore my hair in the very chic and professional bun. I interviewed, panel style with 2 professionals that happened to be White. And I got the job! I think the people I have encountered that view natural hair as unprofessional have all been Black. I think all natural hair can be styled or covered so that the person being interviewed can feel confident and professional regarding their hairstyle. Honestly, I spent more time over which suit to wear rather than how my hair would be styled. Sisterlocks are extremely versatile. See:
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I would also like to add that almost everyone I know personally is educated and professional regardless of whether they have locs or not. However, most of them have natural hair. All of my blogger sistah sisterlockers are professionals. Most of them have varying collegiate degrees. The ones that are not students are professionally employed. I have personally met loced ministers, doctors, lawyers, nurses, accountants, and the like. Ultimately, your locs will appear professional if you are professional.