What are my options for Nasolabial Folds? (Photo)

I'm a 26 year old female with shadows around my mouth that I hate. I've had two kids, so weight fluctuations may have caused them. I take very good care of my skin. I use sunscreen multiple times a day, Tretinoin, Vitamin C, moisturize and cleanse every day. I had 1 ml filler injected into my nasolabial folds back in February of this year, but I really didn't like the outcome. What are my options and what are your recommendations? I'm open to surgical options or non surgical.