Short version: they looked a lot more like than . Most accounts of Vikings that are contemporary of the centuries where shield-Danes and spear-Danes went "a-Viking" describe distinctly hygenic people that bathed and took care of their hair (and wore it long).
EDIT: I thought I could have a little fun with a very loosely associated Beowulf reference to Danes (and even more loose associations with Geats therein too) but I got the experience for doing so.
They didn't have Hitler Youth fades with lazy and sloppy beard fusions. Period. Full stop. Stop doing that. Looking right the fuck at you too, P R E S T I G E T V.
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This is fairly common practice in places where it's minus 10c outside and you have to get your wife (or more likely your slave) to go to the well, get the water, carry the water, heat the water, and carry the water to you.
That's fucking nasty. Imagine being the twentieth dude who has to see 19 other dudes' nasty loogie and snot floating in some filthy tub and then washing your face and hands from the same tub because he didn't say they had two tubs, one for the hands/face and one for the loogie/snot. It really comes off as him insulting them for not knowing how to wash themselves properly.