Beauty brands burn through creative faster than almost any other vertical, and that alone wrecks a lot of ROAS math. If you're trying to figure out how to improve ROAS for a beauty Shopify brand, the honest answer is that it's rarely one lever. It's usually three or four things stacked on top of each other: bad attribution, tired creative, retention revenue that's invisible in your dashboard, and a couple of pricing decisions nobody's revisited since launch. This post walks through the diagnostic order that actually works.