My friend had it done here and I liked it, so I got it done too. I actually forgot the price.
I had it done once about 3 years ago (lip corners + lip filler) and liked it so I had it done again recently. It definitely hurts, but it's natural and pretty!
They say they will retouch it if it's not enough, but I don't like anything too much, so I only did it once and I like it!