There is an extremely good chance I have scaled or help scale an ecommerce brand similar to yours with Facebook™ Ads. No matter if you're on Shopify, Magento or have a custom set up.
I never guarantee you'll get results like you see below, because everything comes down to you and the work you put into your brand. But I can tell you EXACTLY how we do it. The landing pages, the targeting, the apps... Everything.
You will not find a setup like this ANYWHERE, nor will you find someone who makes it so simple to understand.