I'm stressed because my lips are so thin. Would getting fillers help?

I haven't been able to go because I'm scared it might look too excessive, haha.

Are there any clinics known for good lip fillers that can really shape them naturally?

I look at reviews, but they all seem like advertisements, so it's really hard to choose.

Which place is famous for lip fillers that beautifully lift the corners of the mouth as well?

I'm planning to go for a consultation this weekend, but I can't quite put my mind at ease, haha.