Case Study

Neuro Gum & Mints

Neuro Gum & Mints Drives 63% Incremental Sales Across Platforms with CTV Advertising

Neuro Gum & Mints, a functional gum and mints brand focused on improving focus, energy, and

calm, set out to understand how Universal Ads - and CTV more broadly - drives true incremental

sales beyond last-click attribution.

 

Specifically, the team wanted to know: when people see a Universal Ads CTV ad, does it

influence sales beyond clicking through to Neuro Gum & Mints website? Does it also drive

people to buy on other platforms like TikTok Shop and Amazon.

 

To get a clear answer, Neuro Gum & Mints partnered with Universal Ads and WorkMagic to

measure the full impact of CTV –including the “halo effect.”

 

What is the halo effect?

The halo effect is what happens when a TV ad influences customer behavior outside of the

obvious path. A TV viewer might see a Neuro Gum & Mints ad on TV, then later search for the

brand, buy on TikTok Shop, or make a purchase days later without ever clicking an ad.

 

“WorkMagic showed us that CTV was doing far more than driving DTC clicks. Seeing the halo effect across platforms is what made Universal Ads a successful addition to our media mix.” – Brooke Cullison,VP of Media & Acquisition, Neuro Gum & Mints

 

How the test worked:

Neuro Gum & Mints launched a 4-week geo-based lift test with Universal Ads and WorkMagic

to isolate the causal impact of Universal Ads across its entire ecommerce footprint.

 

The Results: Universal Ads emerged as a highly efficient and powerful omnichannel growth

driver in Neuro Gum & Mint’s marketing mix:

7.5% lift in total new customer sales and $1.58 incremental ROAS on new customers

$2.61× incremental ROAS across all sales platforms (DTC, TikTok Shop and Amazon)

~63% of incremental sales came from halo channels (TikTok Shop and Amazon)

36%
of incremental revenue was from new customers
68%
lower CPA across platforms when halo channels were included

What this proved:

The test proved that Universal Ads drives broader demand:

• Most of the impact happened outside of Neuro Gum & Mint’s website

• An efficient channel - CPA dropped nearly 70% when full impact was measured

• Acquisition-oriented: over one-third of revenue came from new customers

Takeaway:

By moving beyond last-click attribution and measuring true incrementality, the test found that Universal Ads plays a major role in driving sales and new customers across its entire ecommerce ecosystem.

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FAQs

What is the "halo effect" in TV advertising?
The halo effect is the influence a TV ad has on customer behavior outside the obvious, trackable path — such as a viewer seeing an ad on TV, then later buying on a different platform like TikTok Shop or Amazon without ever clicking the ad. For Neuro Gum & Mints, halo channels accounted for roughly 63% of all incremental sales driven by Universal Ads.
What happens to cost per acquisition (CPA) when halo channels are included?
CPA dropped by 68% when halo channels (TikTok Shop and Amazon) were included in the measurement. This means standard last-click attribution was significantly understating how efficient the campaign actually was.
What did the Neuro Gum & Mints case study prove about CTV advertising?
It proved that Universal Ads is an efficient, omni-channel growth driver in Neuro Gum & Mints' marketing mix.

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