Also called frown lines, the glabella lines are vertical lines, located between the two eyebrows. These vertical wrinkles are formed as a result of the repeated contraction of two muscles in the upper part of the face.
Frown lines, also known as lion’s wrinkles, are vertical lines that form between the eyebrows. They occur due to the repeated contraction of facial muscles when expressing anger, frustration, or concentration. These vertical wrinkles become deeper with age and the accumulation of repeated facial expressions.