Nasolabial folds are the lines or creases that run from the sides of your nose down to the corners of your mouth, commonly known as smile lines or laugh lines. These folds deepen over time due to aging, facial expressions, and loss of skin elasticity.
Yes, nasolabial folds are a natural part of the aging process. As the skin loses elasticity, these folds become more prominent. However, they can appear earlier or more noticeably depending on individual genetics, lifestyle, and environmental factors.