Beyond counterfeiting: how NFC is tackling the refilling and dilution crisis

As ever more revenue is sucked from the legitimate economy, Technical Editor Hellen Norman looks at how NFC-enabled tamper-evident tags are emerging as a highly effective way to stop refilling and dilution in its tracks.

The global market is undergoing a massive counterfeiting crisis. According to a joint study by the Organisation for Economic Co-operation and Development and the European Union Intellectual Property Office (EUIPO), counterfeit and pirated goods siphon an astonishing $467 billion annually out of the legitimate economy.

When we think of counterfeits, we usually picture factory-line knockoffs: fake designer handbags, copied electronics, or cloned sneakers. However, an arguably more insidious threat is rising within everyday consumer supply chains: illicit refilling and dilution.

Rather than manufacturing an entire product from scratch, criminals are harvesting genuine, branded packaging, altering the contents, and passing it off to unsuspecting buyers. This silent form of fraud directly threatens consumer safety, brand reputation, and corporate revenue.

How refilling and dilution exploit trust

Unlike traditional counterfeiting, which relies on replicated packaging, refilling and dilution uses original containers to exploit consumers’ deep-rooted brand trust. Deception typically occurs in two ways:

Illicit refilling

Criminals scavenge empty, authentic premium bottles or containers from recycling hubs and waste facilities. They then refill them with cheap, sub-standard, or even hazardous contents.

Dilution (adulteration)

Fraudsters intercept the legitimate supply chain to bulk up high-value commodities. By extracting a portion of the genuine product and replacing it with a low-cost agent, profits are maximised.

Key targets for these activities include:

• Premium wines and spirits
  Bottles can be refilled with industrial-grade chemicals or methanol mixtures, posing a serious risk to consumer health.

• Pharmaceuticals
  The illicit diversion and counterfeiting of drugs – often diluted with inactive ingredients or substituted with fake formulas – generates a massive global cost. The World Health Organization estimates that countries spend around US$ 30.5 billion per year on substandard and falsified medical products.

• Motor oil
  Empty containers from trusted brands are refilled with cheap, unrefined base oils, which can lead to catastrophic engine failure for consumer vehicles.

• Food and beverage
  The World Trade Organization has identified olive oil and honey as some of the most affected products. High-grade extra virgin olive oil is routinely cut with cheap seed oils, while honey is stretched using industrial corn or beet syrups. Baby food and pet food are also susceptible to tampering.

• Cosmetics and perfumes
  Pots and bottles can be refilled with inferior alternatives. EUIPO reports that the cosmetics industry loses around €3 billion in direct sales each year to counterfeit and diluted goods.

As tampered and counterfeit products enter legitimate sales channels, consumers need a simple and reliable way to verify that what they are buying is authentic and untouched. And that puts an onus on brands to ensure their packaging is up to the task.

From physical to digital: NFC, the new face of tamper detection

For decades, brands have relied on physical security features to protect their products. But as fraudsters become more sophisticated, they find ways to replicate holographic labels or tamper evident caps and seals. The adulterated goods appear to be in perfect condition, so consumers have no indication that all is not as it seems.

As analogue security features collapse under the onslaught of relentless counterfeiting, brands are looking for new ways to solve the refilling and dilution crisis.

Enter NFC.

NFC-enabled tamper-evident tags, such as Pragmatic NFC Protect, are emerging as a highly effective way to stop tampering in its tracks.

NFC tags integrate a microscopic chip and a flexible antenna directly into product packaging. Each chip is permanently programmed with a serial number and URL locked at manufacture to create a persistent product identity for every product.

One part of the tag’s antenna loop runs directly across the seal – whether that’s a cap, a foil, or a lid. When it’s intact, the chip transmits a URL or digital handshake verifying the product is factory-sealed. The moment the container is opened, the loop of the antenna is physically and irreversibly broken. The chip remains active, but its internal logic changes forever.

And it’s extremely easy for consumers to check the integrity of their products. Just a simple tap of a smartphone will reveal the status: “Warning: This container has been opened.”

Beyond status verification, NFC also provides an opportunity to link the physical and digital brand experiences. This turns consumer engagement into a long-term relationship, unlocking continuous, personalised experiences from product enjoyment to brand advocacy.

By providing brands with multiple touchpoints into consumer behaviour, they can offer sophisticated, just-in-time experiences, contextually tailored to the tamper loop status. This empowers marketing teams to deliver a rich, connected experience, with opportunities for ongoing education and loyalty with every smartphone tap.

Why NFC stops tampering and refilling

NFC technology completely changes the economics of illicit refilling by neutralising the key vulnerabilities of physical packaging.

While sealing mechanisms may be repaired or replaced, once the NFC tag’s digital loop is broken, it’s almost impossible for fraudsters to reset the chip’s status. Since the digital signature changes permanently upon opening, discarded packaging loses 100% of its black-market value.

Even if a fraudster perfectly cleans and refills a genuine luxury perfume bottle, any future smartphone scan will instantly flag the bottle as previously opened – and the lucrative market evaporates.

Trust, embedded

For brands, the cost of tampering extends far beyond lost sales. Every diluted spirit, refilled perfume bottle, or adulterated pharmaceutical product puts consumer trust at risk. And trust, once lost, is difficult to regain.

NFC-enabled tamper detection gives brands a new way to protect both their products and their reputation. By combining tamper evidence, authentication, and connected consumer experiences in a single smartphone tap, NFC technology offers a powerful new defence against product fraud.

In doing so, it not only protects brands and consumers from harm, but helps rebuild trust in an increasingly complex global marketplace.

Discover NFC Protect

Pragmatic NFC Protect detects tampering instantly, alerting consumers to interference with just one tap of a smartphone. It tracks integrity – and authenticity – from the factory floor to the consumer’s hand. Sealed. Secured. Trusted.

• Ultra-thin form factor
  No lumps, no bumps – for streamlined integration
• Permanent product identity
  Locks serial number to URL at manufacture for enhanced brand protection across the product lifecycle
• Low cost
  Extends protection at all price points, allowing deployment at scale
• Low carbon
  Reduces environmental impact versus silicon-based NFC

Discover NFC Protect