Can you be a Christian and not have a beard? Of course. But Christian men ought to have beards, because Jesus did! And, in these days of blurred gender lines, it helps distinguish men from women.
Believe the Gospel of Jesus Christ: "that Christ died for our sins according to the scriptures; And that he was buried, and that he rose again the third day according to the scriptures:" 1st Corinthians 15:3b-4 KJV
Only Jesus Saves!