'Hair' in the Bible

and standing behind Him at His feet, weeping, she began wetting His feet with her tears, and wiped them with the hair of her head, and [respectfully] kissed His feet [as an act signifying both affection and submission] and anointed them with the perfume.

Then turning toward the woman, He said to Simon, “Do you see this woman? I came into your house [but you failed to extend to Me the usual courtesies shown to a guest]; you gave Me no water for My feet, but she has wet My feet with her tears and wiped them with her hair [demonstrating her love].

But not a hair of your head will perish.