David Yount writes in the Abilene Reporter News:
Despite the medieval mania for collecting purported relics associated with Jesus, no Christian presumes to have a notion of his actual appearance. Had the Shroud of Turin been proved to be the authentic cloth in which he was buried, it still would have offered few clues. In the Roman catacombs, Jesus is depicted as clean-shaven; later artists persuaded themselves that by giving him a beard he would appear older and wiser.
If no one bothered to record his human appearance, what attracted people to him? When he chose his apostles, they immediately dropped everything — including work and family — to follow him.