E-commerce & D2C · Retention & Lifecycle Marketing Case Study

14% to 31% Repeat Rate — Retention Now Funds Its Own Growth

Aavya Beauty was acquiring new customers profitably, then losing most of them after one order. Here's how email and WhatsApp lifecycle flows more than doubled repeat rate — until retention alone drove over a third of monthly revenue at near-zero CAC.

★★★★★5.0/5 5-month engagement Email + WhatsApp lifecycle flows
14% → 31%
repeat purchase rate
38%
of monthly revenue from retention
~0
incremental CAC to generate that revenue
E-commerce & D2C
Email + WhatsApp Flows
Lifecycle Marketing
Client

Aavya Beauty

D2C beauty & personal-care brand

Starting point

14% repeat rate, no lifecycle flows

A single generic post-purchase email, nothing else automated

Engagement window

5 months

Ongoing retention & lifecycle retainer

Services

Retention & Lifecycle Marketing

Email + WhatsApp flow design, segmentation

The challenge

Every Month Started From Zero

Aavya Beauty's paid acquisition was working — new customers arrived profitably every month. The problem was what happened after checkout: a single generic "thanks for your order" email was the entire post-purchase experience. No replenishment reminders for consumable products, no cross-sell based on what someone actually bought, no WhatsApp presence despite it being where customers already messaged the brand with questions. Only 14% of customers ever placed a second order, so growth depended entirely on feeding fresh (and increasingly expensive) traffic into the top of the funnel every single month.

14% repeat rate and a single generic post-purchase email,
before this engagement began
01 — What we did

The Lifecycle Engine We Built

1Week 1–2

Customer & Product Segmentation

Segmented customers by product category, purchase frequency and consumable replenishment cycle before building a single flow.

2Week 2–4

Core Lifecycle Flows

Welcome series, post-purchase education, replenishment reminders timed to actual product usage, and a win-back flow for lapsed customers.

3Month 2

WhatsApp as a Retention Channel

Moved key lifecycle touchpoints to WhatsApp, where open rates and reply rates ran far ahead of email alone.

4Month 2–3

Cross-Sell & Bundle Logic

Personalized cross-sell recommendations based on actual purchase history, not generic "customers also bought" blocks.

5Month 3–4

VIP & Loyalty Segment

A dedicated flow and perks for the top repeat-purchase segment, protecting the brand's highest-value relationships.

6Monthly

Flow-Level Reporting

Every flow tracked to attributed revenue and CAC-free contribution, reported alongside the paid acquisition numbers.

i

Replenishment timing was the single biggest lever. Reminders timed to when a consumable product actually ran out — not a generic 30-day interval — drove more repeat orders than every other flow combined.

02 — Results

From One Email to a Real Retention Engine

Repeat Rate
14% → 31%
repeat purchase rate

More than doubled through lifecycle flows built around real product usage, not generic timers.

Revenue Mix
38%
of monthly revenue from retention

Up from a business that depended entirely on fresh paid traffic every month.

CAC
~₹0
incremental cost to generate it

Retention revenue comes from customers already acquired — no additional ad spend required.

Lifecycle Revenue
5 mo
Repeat rate
31%
Revenue share
38%
Incremental CAC
~₹0
Share of monthly revenue from retention, month over month
Flow Performance
Live
FlowAttributed Revenue
Replenishment reminder (WhatsApp)₹6.1L/mo
Post-purchase cross-sell₹3.4L/mo
Win-back flow₹2.2L/mo
VIP loyalty perks₹1.6L/mo
Welcome series₹0.9L/mo
03 — In their words

What the Founder Says

★★★★★

"We used to start every month from zero, chasing new customers to hit the same number. Now over a third of our revenue comes from people we already won — at basically no extra cost. It's changed how we plan the whole business."

MI
Meera Iyengar
Founder, Aavya Beauty
Methodology

Repeat-rate and revenue-share figures come from Shopify Analytics, comparing the engagement's flow-attributed revenue against the pre-engagement baseline. Timeframe and starting baseline stated above, as with every case study we publish.

Next Step

Want Retention Funding Your Growth?

We'll audit your ad accounts, tracking, PDPs and retention flows — and send back a margin-aware growth model showing your realistic scale path. If we find you don't need an agency yet, we'll say that too.

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