I've audited hundreds of eCommerce TikTok ad accounts. The same mistake kills 90% of them.

They open with the product.

TikTok users are in entertainment mode. The moment your ad looks like an ad, they scroll. You have 3 seconds — and if you spend those 3 seconds showing a product shot or a logo, you've already lost.

What works instead: the "pattern interrupt" open.

• Start mid-action (someone reacting, a result being revealed, a problem being shown)

• No logo. No brand name. No "check this out."

• Make them curious before they know they're watching an ad

We ran this test across 14 Shopify stores last quarter. Ads with a pattern interrupt open had an average 40% higher thumb-stop rate than product-first opens. Higher thumb-stop → lower CPM → more sales at the same budget.

The winning formula:

1. Hook (0-3s): Show the pain OR the result — never the product

2. Problem agitation (3-8s): Make them feel it

3. Product introduction (8-15s): Now they're ready to see the solution

4. Social proof (15-20s): Reviews, UGC, numbers

5. CTA (last 2s): Clear, low-friction

This structure works for skincare, apparel, home goods, fitness, and more.

If you're running TikTok ads for your Shopify store and your ROAS is under 2x, your creatives are almost certainly the bottleneck — not your targeting.

Happy to break down a specific ad framework for anyone in the comments.