Lines and wrinkles are the result of physical ageing. Glabella lines are also known as frown lines, they are lines that appear between the eyebrows when we frown. Lines are formed by the repeated action of frowning due to the lack of elasticity in ageing skin.
Crow’s feet are clusters of tiny wrinkles and fine lines that form around the outer corners of the eyes. They are caused by years of frequent muscle contractions.