Kao Corporation has come up with a study that shows that the shape of women’s lips and surrounding area changes with age.

In its latest research, the organization focuses on noticing the overall changes in the lip shape among Japanese women along with collective statistics on age-related changes. The study found out that thickness of the lower and upper lips reduced with age,along with an increase in width of the lips. It also showed that the between the nose and the upper lip increased and become rounded with age. Women’s lips also tended to become thinner. All these changes are seen in women post 40 years of age.