How We Helped Award Winning Swiss Skincare Brand Karin Herzog Increase Online Sales by 558%
Combining email marketing, retention and conversion optimisation to accelerate ecommerce growth
Karin Herzog is an award winning Swiss skincare brand with more than 40 years of science, innovation and skincare history.
Founded by Dr Paul Herzog, the brand pioneered the use of stabilised active oxygen in skincare. Its patented formulas are made in Switzerland and have developed a global following. Karin Herzog has been loved by high profile customers including Catherine, Princess of Wales, Uma Thurman and Molly Sims.
Despite its extraordinary heritage, differentiated technology and internationally recognised products, Karin Herzog needed a stronger digital growth engine to translate its brand story into consistent ecommerce revenue.
Using Omnisend as the brand’s email and SMS platform, Ecommerce Boost developed a connected strategy across email marketing, customer retention and conversion rate optimisation.
The result was a 558% increase in online sales year to date.
Online sales increased by 558% year to date.
The number of customers placing orders increased significantly, with total orders growing by 441%.
Online store traffic increased by 307%, substantially expanding the brand’s digital reach and customer acquisition opportunities.
Despite the significant increase in traffic, the online store conversion rate improved by 33%.
These results demonstrate growth across the entire customer journey, with more qualified traffic, more customers placing orders and a higher percentage of visitors converting.
Karin Herzog is unlike almost any other skincare brand.
Its products use patented stabilised active oxygen technology developed in Switzerland. This scientific differentiation is one of the brand’s greatest strengths, but it also requires more customer education than a conventional skincare product.
The challenge was not simply generating more traffic. It was helping customers quickly understand:
- What oxygen skincare is
- Why Karin Herzog is different
- Which products are right for their skin
- How the products work together as a complete routine
- Why the brand commands a premium price
- When and why customers should purchase again
Karin Herzog also needed a more coordinated approach across email, paid media and the website.
Every touchpoint had to reinforce the brand’s premium positioning while moving customers naturally from discovery to purchase and ultimately to repeat purchase.
The platform provided the infrastructure required to manage Karin Herzog’s email marketing, SMS, customer segmentation and automated workflows within one connected system.
However, having the right platform is only part of the equation.
The strategy, messaging, creative and customer journeys built within the platform ultimately determine its commercial impact.
As an Omnisend Pro Partner Agency, Ecommerce Boost used its capabilities to deliver more relevant communication based on customer behaviour, engagement, purchase history and position within the customer lifecycle.
This enabled the brand to:
- Coordinate email and SMS marketing
- Build behaviour based automated workflows
- Segment customers using shopping and engagement data
- Personalise communication based on customer activity
- Track campaign and automation performance
- Connect retention marketing directly with Shopify
- Develop more sophisticated customer journeys as the brand grew
Rather than treating the platform as simply a tool for sending campaigns, we used it to build a complete customer lifecycle and retention marketing engine.
Karin Herzog already had an extraordinary story. Our role was to communicate it more clearly and turn it into a competitive advantage.
We placed the brand’s strongest points of differentiation at the centre of its marketing:
- More than 40 years of skincare science
- Patented stabilised active oxygen technology
- Formulas made in Switzerland
- Award winning products
- International and celebrity recognition
- Premium products designed to deliver visible results
Rather than relying on the generic promises frequently seen throughout the skincare industry, the messaging focused on why Karin Herzog’s formulas were fundamentally different.
This positioning was carried consistently through email campaigns, automated workflows, product pages, paid advertising and promotional creative.
We developed a structured email campaign calendar combining product education, customer stories, skincare advice, brand authority and strategically timed promotional activity.
The objective was to give subscribers compelling reasons to engage with the brand without relying exclusively on discounts.
Campaign themes included:
- The science of oxygen skincare
- Product education
- Complete skincare routines
- Hero product features
- Customer results and testimonials
- The history of Karin Herzog
- Seasonal skincare advice
- New product and bundle launches
- Strategically timed promotions
Each campaign was strategically planned, written, designed, built and scheduled by Ecommerce Boost.
SMS was used selectively for high intent moments, including early access, important campaign reminders, fast selling products and final calls.
We structured automated email and SMS workflows around the entire customer lifecycle, from initial discovery through to repeat purchase and reactivation.
This included developing and improving journeys such as:
- Welcome and subscriber conversion
- Brand and product education
- Browse abandonment
- Cart abandonment
- Checkout abandonment
- Post purchase education
- Complementary product cross selling
- Replenishment
- Review generation
- Customer win back
Customer behaviour and Shopify data were used to determine which messages subscribers received and when they received them.
The objective was not simply to send more emails. It was to deliver the right message based on each customer’s behaviour and relationship with the brand.
Not every subscriber should receive the same message.
Audiences were organised according to factors such as:
- Purchase history
- Products purchased
- Order frequency
- Customer value
- Email and SMS engagement
- Website behaviour
- Time since the last purchase
- Position within the customer lifecycle
This reduced irrelevant communication while creating more opportunities for targeted product recommendations, replenishment reminders, cross selling and customer reactivation.
Karin Herzog products are designed to work together as part of a complete skincare routine.
This created an opportunity to help customers choose a complete regimen rather than purchasing products individually.
We supported this through:
- Curated skincare bundles
- Complementary product recommendations
- Routine based education
- Post purchase cross selling
- Strategic spending thresholds and offers
- Clearer explanations of how different products work together
This increased the potential value of each customer while helping customers get better results from their Karin Herzog skincare routine.
Email and paid advertising cannot perform efficiently if the website fails to convert the traffic they generate.
Alongside the retention strategy, we continually reviewed the customer journey and identified opportunities to improve:
- Product positioning
- Calls to action
- Product page structure
- Social proof
- Trust signals
- Promotional messaging
- Bundle presentation
- Cart cross selling
- Mobile usability
- Product discovery
We also introduced more guided product selection to help customers identify the Karin Herzog products best suited to their skin type and concerns.
These improvements contributed to a 33% increase in the online store conversion rate, even as website traffic increased substantially.
One of the greatest opportunities was creating consistency between email, SMS, paid media and the website.
Instead of treating each channel as a separate activity, campaigns were developed around a shared message and commercial objective.
When a customer moved from an advertisement to the website, joined the email database and later received an email or SMS, the experience felt connected.
The product, benefit and reason to purchase remained consistent throughout the customer journey.
The combination of full service email and SMS management, customer retention and conversion optimisation helped Karin Herzog translate more than 40 years of Swiss skincare science into stronger digital growth.
Results year to date included:
- 558% growth in online sales
- 441% growth in orders
- 307% growth in online store traffic
- A 33% improvement in conversion rate
Just as importantly, Karin Herzog developed a stronger foundation for sustainable growth:
- Clearer brand positioning
- Better customer education
- More effective automated workflows
- More relevant customer segmentation
- Stronger coordination between acquisition and retention
- A more conversion focused customer journey
Karin Herzog now has a more complete ecommerce growth engine designed to attract customers, convert them, increase their value and encourage them to return.
- Email platform strategy and account management
- Email marketing strategy
- Campaign planning
- Email copywriting and design
- Automated workflow development
- SMS marketing
- Customer segmentation
- Promotional strategy
- Conversion rate optimisation
- Average order value optimisation
- Retention and repeat purchase strategy
- Ongoing ecommerce growth guidance
Ecommerce Boost helps ecommerce brands increase revenue through better email marketing, SMS, automation, retention and conversion.
We manage the entire process, from strategy and campaign planning to copywriting, design, segmentation, workflow development and ongoing optimisation.
If your brand is not generating enough revenue from email marketing, we can help you build a more effective retention engine.
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5 Star Rating on
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