How we Drove $127K in GMV and 20x ROI for COSRX in Just 30 Days

COMPANY

COSRX

ROLE

TikTok Shop

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The Challenge

The Challenge

The Challenge

COSRX, the cult-favourite K-beauty skincare brand, partnered with Z MEDIA® to turn TikTok Shop into a core sales channel.

The brief? Grow GMV fast while positioning the brand as a trusted solution for real skincare concerns.

It had to educate, convert, and build trust, all at once.

The Strategy

The Strategy

The Strategy

We built a strategy rooted in credibility, education, and conversion, leveraging creators with real skincare authority to drive GMV at scale.

Creator Selection

Partnered with skincare influencers who could provide expert insight and real testimonials.

Focused on creators with proven authority in acne care, skin barrier support, and ingredient knowledge.

Prioritized those who could build trust fast, not just churn out product recs.

Content Strategy

Delivered educational content explaining ingredients, benefits, and skin routines.

Mixed in real-user testimonials and before/afters to build authenticity and relatability.

Integrated TikTok Shop discount callouts and urgent CTAs to drive immediate action.

Paid Ads Strategy

Sparked high-performing educational UGC to reach skincare-curious shoppers at scale.

Retargeted high-intent users with content tailored to specific skincare concerns.

Combined credibility-led content with conversion-focused ad structures for max ROI.

Optimization

Reviewed daily GMV by creator, content format, and audience segment.

Scaled creators driving the highest AOV and conversion rates.

Refined CTAs and messaging based on what was converting, in both organic and paid.

The Results

The Results

The Results

Here’s what happened when we mixed skincare authority with TikTok-native execution. High trust. High returns.

GMV Performance

We generated $127,000 in TikTok Shop GMV within the first 30 days.

Campaign ROI

The campaign achieved a 20x return on investment, turning education into revenue.

Trust-to-Conversion Funnel

We transformed skincare credibility into real purchase intent, building COSRX’s TikTok presence as both educational and effective.