One day, he said to me, ‘if you draw a portrait and you want to change the emotion, you change the eyebrows.’ You can make a picture look angry or surprised, just by adjusting the brows.” ...

or pluck your eyebrows into your desired pattern. Using an eye pencil, draw a dot where the front of your eyebrow lines up with the corner of your nostril. For the arch, use the pencil to create a ...

Featuring a succession of lines outlining where the start, arch and end of the brow should be, people are using the filter to draw in their eyebrows and, more permanently, wax them into said shape.