It doesn't look unprofessional to me. Also, ask yourself, do you want to work for an employer for whom your hairstyle is an issue. Wear your beard with pride to your next interview. Unless you have starving children, then do whatever it takes.

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Kind regards,

Greyfur

My journey

In order to attain the impossible, one must attempt the absurd. ~ Miguel de Cervantes
Re-examine all that you have been told... dismiss that which insults your soul. ~ Walt Whitman
I cannot praise a fugitive and cloistered virtue, unexercised and unbreathed, that never sallies out and sees her adversary, but slinks out of the race where that immortal garland is to be run for, not without dust and heat. ~ John Milton