וְאִם֙ מִפְּאַ֣ת פָּנָ֔יו יִמָּרֵ֖ט רֹאשׁ֑וֹ גִּבֵּ֥חַ ה֖וּא טָה֥וֹר הֽוּא׃
And if his hair be fallen off from the front part of his head, he is forehead-bald; yet is he clean.
Read kabbalistic (mystical) interpretation of Leviticus 13:41: and classical mystical sources.