Success Stories

Zenni Optical

Leveraging Video Shopping Ads and Carousel Ads to increase return on ad spend and sustain efficiency.

Zenni header Zenni logo
37 %
increase in return on ad spend for Prospecting campaign
-20 %
lower purchase cost per action for Prospecting campaign
49 %
incremental spend of Retargeting Carousel campaigns
The objective

Promoting best-sellers to new and existing customers on TikTok

Zenni Optical, an affordable option for high-quality glasses, sunglasses, and contacts, promotes their products through Video Shopping Ads. With a growing audience, Zenni Optical wanted to showcase their most popular products to customers. For both new and existing customers, the goal was to increase sales and improve their return on ad spend (ROAS) in their campaigns.


The solution

Getting the most out of lower-funnel strategy with mixed ad creative

Combining the power of Video Shopping Ads (VSA) with Carousel ads for lower-funnel Prospecting campaigns, Zenni Optical efficiently boosted product sales while acquiring new customers.


Zenni found success using video and image-based creative formats, including Spark ads, Carousel ads, and user-generated content (UGC), for both Prospecting Video Shopping Ads and Retargeting Video Shopping Ads to demonstrate their product differentiators.



The results

The winning strategy is clear to see

Zenni Optical discovered that their always-on lower funnel strategy creates more room to scale. Adding a Carousel dedicated ad group to their Video Shopping Ads Prospecting campaign drove a 20% improvement in cost per action (CPA) and a 37% increase in return on ad spend (ROAS).


The results from the Carousel campaign led Zenni to adopt the Carousel ad format for their Prospecting evergreen campaigns and created an additional Retargeting campaign with Carousel implemented. The additional Retargeting campaign doubled the advertiser's spend on their lower funnel campaigns with incremental spend of 50%!

This is a TikTok case study and is solely for informational purposes. Past performance does not guarantee or predict future performance. All claims regarding the effectiveness or quality of products are brand-reported and not endorsed or verified by TikTok.
quote marks - razzmatazz

While Zenni always recognized the value of TikTok advertising, the impact of VSA Carousel Ads was a real game changer. Incorporating this ad format into our retargeting campaigns unlocked efficiencies we hadn't imagined possible and has now become a key part of our always-on strategy.

Breanna Williams, Performance Marketing Manager
Zenni Optical