The ’20s
1920-1930: As seen on silent movie starlets like Clara Bow, women wore their eyebrows extremely thin and straight by way of extensive plucking, lending to a dramatic, pensive look. They also used petroleum jelly or Vaseline to groom and add shine and emphasis to slender brows.
The ’20s were the first era in which regular women began to cull inspiration from celebrities and entertainers, which has continued into today.