A good natural home remedy for getting rid of your lip lines is by doing facial exercises.
To get rid of lip lines doing the facial exercises, put your lips in a pouting position, and then take one index finger and place it on the center of your top lip and just gently tap the lip.
Perform this exercise for around 1 minute. Doing this facial exercise will help decrease your lip wrinkles and make your lips bigger.
There's also some over the counter wrinkle cream you can apply to your lips to help get rid of the lip lines and it's a good idea to keep your lips moisturized to prevent further lip lines from appearing.