Yes, a bath would do you good, and you can always return to the meal as soon as you come back out.

[ The look of approval seemed to backlight his eyes as he regarded the way that Bren ate the food cautiously and carefully. Oh, he would never have blamed the man if he had stuffed the food into his mouth as if he'd never eaten before in his entire life, but it was appreciated that he did not have to use a spellslot of prestidigitation to clean up an unfortunate mess. Essek then unwound himself gracefully from where he was sitting and then started toward the bathroom, making a somatics gesture unseen to quick cast Resonant Echo so it would 'appear' like he had a reflection within the mirror.

Once they were inside, he gestured toward the towels, the bathrobe, the soaps. ]

I have laid out the shaving kit on the counter, I am afraid that it is a bit old, but currently the only one I have-- do you know how to work the outdated ones?

[ Referring of course to the folding scalpel with the wooden handle as well as the little brush tucked into a cup, which he gestured to indolently ]