These folds also tend to deepen with age. Some people develop wrinkles next to the nasolabial folds, which may be more visible during smiling. These sometimes called smile lines or laugh lines.
The nasolabial folds are lines located on either side of the mouth. They are more noticeable when a person smiles.Except for newborns and people whose faces are paralyzed due to a medical condition, almost everyone has nasolabial folds.The folds, which are made of dense bundles of fibrous tissue and muscles, tend to become more prominent with age.As the skin becomes saggy and thinner, many people find that their nasolabial folds become more noticeable.