Cases
TikTok Case Study: Bioderma’s Record-Breaking ROAS Strategy
Challenge: Bioderma aimed to maximize its Return on Ad Spend (ROAS) and improve overall campaign efficiency. The brand needed to optimize its digital marketing performance and strengthen conversions by utilizing advanced targeting strategies and automatic optimization tools.
88%
ROAS Increase
108%
conversion value
24%
ROAS increase driven by AI Max search terms
Approach:
In collaboration with TikTok, Bioderma strategically restructured its campaign infrastructure by transitioning to Smart+ campaigns combined with Collab Ads. Their tactical approach included:
- Smart+ Activation: Maximizing performance through a balanced budget distribution.
- Automated Creative Optimization: Scaling the most effective combinations by testing various creatives and ad texts together.
Partnering with SEM:
The project was executed through close collaboration with the TikTok Team, redesigning the infrastructure to align with automated optimization capabilities. By integrating the powerhouse features of TikTok’s solutions with Bioderma’s digital marketing team’s insights, they successfully delivered the right message to the right audience at the optimum budget.
Results:
The strategic shift yielded substantial performance growth across all key metrics:
- +88% ROAS Increase compared to the previous year (2025).
- +122% ROAS Increase in March compared to standard campaigns, driven specifically by the use of Custom Audiences.
- +49% ROAS Increase in 2026 Q1 compared to standard campaigns, achieved via Smart+ optimization.