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How We Doubled ROAS and Boosted Returning Customers by 32% for the Skincare Brand Crowned ‘Best Invention of the Year’

You know you're onto something big when your product gets crowned “Best Invention of the Year.” That’s exactly what happened with Mono Skincare—the world’s first skincare-in-a-tablet brand that’s clean, vegan, cruelty-free, and refillable (aka sustainable goals). But even game-changers need a digital glow-up.

Cue the entrance of L’Arc Agency.

🚨 The Challenge: Beauty Brilliance, But Make It Known

Mono Skincare had the kind of product that turns heads—but their digital performance? Not quite matching the magic. They were facing:

  • Stale paid social campaigns

  • Plateaued influencer marketing

  • A struggle to build long-term ambassador relationships

  • Zero affiliate infrastructure

  • Low retention and loyalty traction

Their mission: Reach beauty lovers, eco-conscious trendsetters, and skincare junkies while building a brand ecosystem that converts—and sticks.


The Strategy: A Four-Part Makeover Worthy of a Highlight Reel

We rolled up our (moisturized) sleeves and tackled their brand from every angle.

1. Paid Social Ads That Stop the Scroll

We created a series of 10-second in-stream video ads—each hyper-personalized to resonate with beauty, fashion, wellness, and clean living audiences. Every ad spotlighted Mono’s unique benefits and teased a fun quiz for personalized product matches.

The Results:

  • 4.1x more impressions

  • 2.7x better CTR

  • 3.1x improvement in CPC

  • 2x ROAS

  • 1.8x better CPM

Short, sweet, and scroll-proof.


2. Influencers Who Actually Care (and Convert)

We didn’t want one-off #ads—we wanted relationships. So we launched a commission-based ambassador program aimed at micro-influencers in green beauty and lifestyle niches. Each creator received a full media kit, but was free to keep their content 100% authentic and on-brand.

The Results:

  • 114 repurposable content pieces

  • 27 long-term ambassadors

  • Countless conversations started


3. Affiliate Marketing 101 (But Make It Chic)

Mono had zero affiliate system. We built their very first program from scratch—complete with a brand guidebook, a slick affiliate platform, and a focus on blog-based SEO value through product reviews.

The Results:

  • +24% in backlinks

  • New organic traffic streams unlocked


4. A Loyalty Program Their Customers Actually Loved

To keep the momentum (and the customers) coming back, we launched a loyalty program with rewards for shares, reviews, and subscriptions. Think gamified retention, but with real impact.

The Results:

  • +32% in returning customers

  • 1,025 loyalty program subscribers (and counting!)


The Impact: Clean, Green, and Seriously Seen

From impressions to loyalty, Mono Skincare saw a full-circle digital transformation. We didn’t just improve numbers—we created a buzz. The kind that makes customers stay, influencers share, and competitors take notes.

At L’Arc Agency, we don’t just build campaigns—we build brands that sparkle and sell. 


Your turn. Want to make your brand the next case study?
📩 Let’s chat. Your glow-up starts now.

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