How Brands Build Customer Loyalty Through Email Marketing

A practical example of using Klaviyo for loyalty programs in eCommerce

Customer loyalty is no longer just about discounts or reward points. Today, it’s a structured approach built on communication, data, and personalization — with email marketing playing a central role.

The brand Adder uses Klaviyo as a core tool to build long-term relationships with its customers. Through advanced audience segmentation and behavioral triggers, the brand delivers relevant messages at the right time — from welcome flows to post-purchase campaigns.

One of the key success factors is personalization. Klaviyo enables automated flows based on user behavior such as browsing activity, purchases, or email engagement. This leads to higher open rates, stronger click-through rates, and increased repeat purchases.

As a result, the loyalty program becomes fully integrated into the brand’s broader marketing ecosystem rather than existing as a standalone initiative.

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