Refill intelligence for beauty brands

Every empty bottle is a decision you didn't get to influence.

RetainAI calculates the exact day each customer runs out of each product — then sends the right message at the right moment, before they drift to someone else's shelf.

No card required · Read-only Shopify access

35–60%
repeat purchase recovery
35%+
nudge email open rate
18%+
refill conversion

Estimates from RetainAI's depletion model, not an audited result.

Live depletion readout

Synced

−3d

Amara K.

2d

Jessica T.

12d

Rachel N.

Amara repurchased via her Day 0 nudge — £38.00 recovered

The refill gap quietly costs beauty brands repeat revenueA customer who lapses once is far less likely to come backSubscriptions lock in some customers. Prediction reaches all of them
The refill gap quietly costs beauty brands repeat revenueA customer who lapses once is far less likely to come backSubscriptions lock in some customers. Prediction reaches all of them

How it works

Three steps, then it runs without you.

01

Connect Shopify

One-click OAuth pulls your order history and product catalogue. Read-only — we never touch payment data.

02

We model depletion

Volume, category and each customer's own purchase rhythm produce a Refill Due Date. Trained on a large beauty purchase-behavior dataset.

03

We send the nudge

Day −5 a usage tip. Day 0 a refill link with loyalty discount. Day +5 an SMS. Timed to the bottle, not the calendar.

The engine

We measure the bottle, not the calendar.

A 30ml serum lasts a heavy user 18 days and a light user 45. Blanket “30 days since purchase” emails miss both. We normalise volume by category, learn each customer's real consumption rate from their reorder history, and update the estimate every time they buy.

01
Volume normalisation
30ml serum ≠ 100ml toner. Each category gets its own ml/day baseline.
02
Usage classification
Heavy, normal or light — inferred from the gap between their own orders.
03
Online learning
Every new order corrects the model. Confidence rises with each cycle.

Glow Serum 30ml · same product, three customers

Heavy user1.67 ml/day
18 days
Normal user1.00 ml/day
30 days
Light user0.67 ml/day
45 days

One blanket 30-day reminder reaches the heavy user 12 days too late and the light user 15 days too early. Both ignore it.

Recovery estimate

What's sitting in your refill gap?

Roughly 13% of an active beauty customer base is inside a refill window at any moment. We convert about 18% of those with a well-timed nudge.

1,000
£35

Estimated monthly recovery

£819

From 130 customers inside a refill window, at 18% conversion on £35.

In refill window

130

Expected orders

23

Annualised

£9,828

Illustrative estimate based on assumed refill-window and conversion rates — not a guaranteed result.

Projected outcome

A brand recovering 35–60% of its lapsed customers through timed refill nudges — running on autopilot once Shopify is connected.

Based on RetainAI's depletion model, not a specific merchant.

Pricing

Priced under what it recovers.

Starter

New brands building a loyal base.

£49/mo
  • Up to 500 customers
  • Email nudges
  • Basic analytics
  • 1 seat
Start free trial
Popular

Growth

Scaling brands turning retention into revenue.

£149/mo
  • Up to 2,000 customers
  • Email + SMS nudges
  • Revenue dashboard
  • 5 seats
  • Priority support
Start free trial

Enterprise

High-volume beauty brands.

Custom
  • Unlimited customers
  • Everything in Growth
  • Dedicated manager
  • Custom SLA
Contact sales

Someone's bottle runs out tonight.

Fourteen days free. No card. Connect Shopify and see your first refill dates in under five minutes.