A first purchase can happen because of curiosity, a discount, strong shelf placement or a recommendation. None of those things, on their own, mean you have created loyalty.
Repeat purchase happens when the product delivers on its promise, remains easy to find, fits the shopper's price and usage occasion, and stays relevant enough to make the shortlist again.
The short version: repeat purchase is rarely the result of one campaign. It comes from a system in which product, distribution, price, visibility, habit, experience and an additional reason to choose the brand all reinforce one another.
A first purchase is not evidence of loyalty
A brand can deliver excellent sales during a promotion and lose most of that volume as soon as the promotion ends. In that case, the activation triggered a purchase, but it did not necessarily change what the shopper will do next.
NIQ's February 2026 analysis of Western Europe highlights the problem. Roughly one in four FMCG units is sold on promotion, promotional pressure has increased, yet promotions are producing less incremental unit growth than they once did. More products are on deal, but greater promotional intensity does not automatically create proportionally more growth.
A discount can accelerate a decision. It is much harder to prove that it created a reason for the next purchase.
What does repeat purchase actually mean?
At its simplest, repeat purchase means the same shopper or household buys a product at least one more time within a defined period. But a repeat-buyer count alone tells you very little.
You also want to understand:
- what percentage of buyers purchased again;
- how quickly they came back;
- how many times they purchased;
- whether they bought the same SKU or moved within the range;
- whether the repeat happened only while a promotion was active;
- whether the number of units or basket value increased;
- whether the brand captured a larger share of the shopper's category purchases.
Circana's consumer-panel framework separates penetration, trial, repeat, switching and share-of-requirements style views precisely because topline sales can grow for very different reasons. A business needs to know which behaviour is changing, not only whether revenue moved.
Seven levers that influence repeat purchase
1. The product has to deliver on its core promise
No activation can permanently compensate for poor taste, weak quality, inconvenient packaging or an experience that falls short of expectations.
Marketing can earn the first trial. The product has to earn the second purchase.
Before designing any loyalty mechanic or activation, check the foundation: do people who try the product have a genuine reason to want it again?
2. The shopper has to be able to find it again
Repeat purchase cannot happen if the product is unavailable when and where the shopper wants to buy it.
Distribution, on-shelf availability, visibility, assortment, planogram position and the availability of the right pack can matter more than another layer of communication. Circana makes the same broader point: pricing, promotion, assortment, availability and shopper behaviour need to be read together rather than as isolated reports.
If a campaign creates demand but availability fails to keep up, the brand may end up paying to send a motivated shopper to a competitor.
3. Price and pack architecture have to fit the buying occasion
Shoppers do not evaluate price in a vacuum. They compare it with quantity, quality, consumption occasion, available budget and the alternatives on shelf.
A smaller pack may carry a higher unit price but reduce the barrier to trial. A larger pack may offer better value while requiring more cash at the point of purchase. A multipack may increase units per transaction, but only when it fits the way the product is consumed.
That is why GTM and shopper decisions need to connect price, pack format and the occasion in which the product enters the basket.
4. The brand has to remain mentally available
Most FMCG purchases are not the result of a long evaluation process. Shoppers often choose between a small set of brands they remember and can see at the moment of purchase.
Consistent communication, recognisable packaging, a clear position in the category and repeated exposure all help the brand remain inside that consideration set.
The problem starts when a brand runs one large campaign, disappears for several months and expects the initial burst of attention to turn into a habit on its own.
5. There has to be a reason for the next purchase
Sometimes the reason is simple: the product tastes good, solves the need and is reliably available. But in categories with many close substitutes, additional value can help accelerate or reinforce the next choice.
That additional reason might be:
- progress towards a reward;
- greater value for the second or third purchase;
- a mechanic that combines several products;
- greater value for a larger pack;
- a personalised offer;
- digital content that is genuinely relevant to the target audience;
- a gamified mechanic linked to a specific purchase behaviour.
The key is to connect the extra value to the commercial objective. If the goal is higher purchase frequency, the mechanic should reward frequency. If the goal is more units per transaction, a shopper buying one unit and a shopper buying four should not create the same outcome.
6. Reward the behaviour, not merely the entry
Many promotions reward the easiest possible action: one registration, one receipt or one entry. That can generate impressive participation numbers while producing very little change in purchasing behaviour.
A better mechanic starts with the behaviour the brand actually wants to increase:
- a second and third purchase;
- a shorter interval between purchases;
- more units per transaction;
- movement towards a selected SKU or pack size;
- combined purchase of complementary products;
- purchase across selected retailers or within a defined period.
Project Codes was built around that logic. Shoppers earn Project Codes diamonds through participating products and defined mechanics, then redeem those diamonds for available in-game codes they choose themselves. That does not make Project Codes the right fit for every product. It makes sense when the target audience, purchase behaviour and campaign objective fit the model.
7. Measure behaviour, not only participation
Registrations, receipt scans and distributed rewards tell you that activity happened. They do not automatically tell you whether the sales were incremental or whether the shopper is more likely to return.
Define the measurement plan before the campaign begins. Depending on data access, that may include:
- number of unique buyers;
- share of buyers with at least two purchases;
- average number of purchases per participant;
- time between the first and second purchase;
- units purchased;
- change in SKU mix;
- cost per incremental behaviour;
- difference between promoted and baseline sales.
Not every system can measure every metric. That limitation should be agreed before the campaign, not hidden in the final report.
Why a discount is not enough
A discount is immediate and easy to understand. That is its strength. It also comes with three important limitations.
First, the shopper may switch again as soon as a competitor offers the better deal. Second, repeated discounting can train shoppers to wait for the next promotion. Third, apparent promotional growth can include purchases that would have happened anyway or stock-up behaviour that simply pulls future demand forward.
NIQ's 2026 Western Europe analysis argues that more promotion is no longer a reliable route to growth. The emphasis is shifting towards precision, better targeting and a clearer view of incrementality.
That does not mean discounts are a bad tool. It means the business needs to know exactly which job the discount is supposed to do.
Discount, prize draw, loyalty programme or gamified activation?
| Model | Best suited to | Main risk |
|---|---|---|
| Discount | Fast conversion and trial | The purchase remains tied to the lower price |
| Prize draw | Attention, entries and excitement | Few winners and a weak link to repeat behaviour |
| Loyalty programme | Long-term relationship and first-party data | Low engagement if the value exchange is weak |
| Gamified activation | Progression and a defined target behaviour | Rules become too complex or the reward lacks relevance |
None of these models is universally better. The right choice depends on the objective, category, purchase frequency, audience, budget and what the brand can genuinely measure.
When does Project Codes make sense?
Project Codes can be a strong fit when an FMCG brand wants to increase relevance among Gen Z and Gen Alpha and encourage repeat, more frequent, higher-volume or connected purchases through digital gaming value.
It is a poor fit when the product is hard to find, the core offer is not working, the audience has little affinity with gaming value, or the company expects one activation to compensate for fundamental problems in product, pricing or distribution.
Frequently asked questions
Is repeat purchase the same as loyalty?
Not quite. A shopper can buy the same product repeatedly because of availability, price or habit without having a strong emotional attachment to the brand. Repeat purchase is observable behaviour. Loyalty is a broader relationship.
How much time should pass between two purchases?
It depends on the category and its natural consumption cycle. A sensible repeat window for snacks is not the same as the one for detergent, cosmetics or durable goods.
Does the reward need to be related to the product?
Not thematically. It does need to be relevant to the target audience and strong enough to influence the behaviour you want. A completely generic reward may attract participants without creating a meaningful reason to choose the brand again.
Can an activation guarantee sales growth?
No. Results also depend on the product, price, distribution, competition, communication and execution. A good pilot tests the effect on predefined behaviours and business indicators rather than promising a fixed uplift in advance.