It seems silly, but it does have a historical basis. Ibrahim ibn Yaqub, a 10th century traveler to Hedeby, tells us that both men and women wore eye makeup:
There is also an artificial eye makeup. When one uses it, the beauty of both men and women is enhanced, and it never disappears.
From here: https://classesv2.yale.edu/access/content/user/haw6/Vikings/al-Tartushi.html