If you're looking for a place specializing in body fillers, check out QQ! My body used to be as slender as a telephone pole, like a kid... but after getting hip fillers at QQ, my back view has changed dramatically lol. These days, I live every day just for the joy of wearing bootcut pants.

I'm also curious about places that specialize in this.

You should check out Ten Body Up. I trusted them because they are famous for doing natural-looking body fillers, and they really tailored the angles and lines to my body shape so beautifully... I have no worries this summer...

Since large volumes are used, I think you need to go to a place specializing in body fillers that uses genuine products with verified safety and molds well without clumping to be satisfied.