Cupboard with medicines in drugstore

Beyond the Box: Smarter Cartons, Safer Medicines 

Beyond the Box: Smarter Cartons, Safer Medicines 

Standardized processes and comprehensive regulations shape every stage of the pharmaceutical and medical industry, from product development and testing to launch and reporting. At the heart of these requirements is one clear priority: delivering products that are safe for patients and support their health journey. Yet headlines such as INTERPOL’s “Global crackdown on illicit pharmaceuticals sees USD 15.5 million in seizures” show that criminal activity remains a real threat. 

Secondary packaging can act as a frontline defense against supply chain threats, including counterfeiting, tampering and theft. Paperboard is an ideal canvas for security because it is highly customizable, structurally versatile and is able to integrate both digital and physical security features seamlessly. 

1. Counterfeit Protection: Layering Visible and Hidden Security

Counterfeit medicines pose a serious threat to patient safety and can put lives at risk. The simpler the packaging design, the easier it may be to copy, allowing fake medicines to be introduced into legitimate pharmacies. To help prevent this, secondary packaging can combine overt visible features with covert hidden protection.

Person, pharmacist and hands scanning box in price check, inventory or inspection on medication at pharmacy
Beautiful Senior Woman Walking Between aisles and Shelves with Medicine, Choosing to Buy Medicine

Overt features: Security you can see 

Overt features allow pharmacists, clinicians and consumers to quickly check whether a product is genuine.

Holographic foils and color-shifting inks change appearance depending on the viewing angle and require specialized, capital-intensive machinery to print, making them difficult for low-level counterfeiters to replicate.

Security lines and micro text add another visible layer, using fine detail and high-quality paperboard printing that is hard to copy without the right technology and expertise. 

Covert features: Protection beneath the surface

If a counterfeiter manages to replicate the outer appearance of a carton, covert features provide a secondary measure that only manufacturers or inspectors can detect.

Bespoke designs can be applied using invisible pigments or fluorescent inks, creating a unique signature when scanned with a specific UV light or laser at a distribution center or pharmacy.

Microscopic designs can also be introduced into the varnish of the packaging, remaining invisible to both the eye and touch while allowing a bespoke app to verify whether the pack surface has been manipulated.

2. Tamper Evidence: Making Interference Visible 

Tampering involves opening a package to alter, dilute or replace the product inside. Once a healthcare product leaves a controlled facility, secondary packaging must show if it has been compromised during transit. The Falsified Medicines Directive in Europe, alongside global regulations, heavily mandates these features. 

Fiber-tear glues: damage that cannot be hidden

The behavior of paperboard when torn offers an advantage. Fiber-tear glues ensure that if someone tries to pull open a sealed carton flap, the paperboard fibers visibly rip apart and cause irreversible structural damage. Gluing the packaging closure is the most common solution to ensure tamper evidence. 

In combination with a glued closure, perforation patterns can be included.

Tamper Evident Finishing Concepts

Perforations and locks: designed to reveal opening

To open the box, the seal must be structurally broken along a specific line, leaving visible evidence of opening and rendering the original box unusable for a second lifecycle. Alternatively, packaging engineers can design integrated locking tabs so that once the carton is machine-sealed at the factory, opening it requires breaking an internal paperboard mechanism. Some concepts also include additional visible markers that indicate if a product has been tampered with, such as tags that switch from green to red. 

3. Theft and Diversion: Connecting Packaging to Digital Traceability 

Theft can lead to product diversion, where genuine, stolen medical products are illegally resold in different markets or stored in unverified environments that compromise their efficacy. Paperboard helps bridge physical security and digital intelligence.  

Unique coding: following each carton through the supply chain

To comply with country-specific regulations across Europe, China and the US, every paperboard carton must feature a unique, serialized code, such as a 2D DataMatrix barcode. Unlike a generic barcode found on grocery items, this unique identifier tracks that specific box through every handling point. When a box is scanned at shipping, arrives at wholesale or is dispensed at a pharmacy, its exact journey is logged.

Cartons showing serialization techniques
RFID Chip

RFID and NFC: scanning at speed

RFID and NFC tags or labels are applied to each folding box in the gluing process. This allows logistics teams to have precise visibility of entire pallets of medication in real-time without opening boxes, verifying that no items have gone missing along the supply chain. They can also function as anti-theft tags, triggering a signal if someone attempts to steal products from a pharmacy or retail store. 

Conclusion: Packaging as a Public Health Safeguard

Secondary paperboard packaging for pharmaceutical and medical applications has the power to serve as a highly engineered security system. By combining visible physical hurdles, irreversible tamper-evident structures and digital track-and-trace serialization, paperboard helps keep criminals out and protect the integrity of lifesaving treatments. Ultimately, investing in sophisticated secondary packaging is not just a regulatory hurdle; it is an indispensable shield for global public health.  

To discuss how we can help with your next Healthcare packaging project, CONTACT US and a member of the Healthcare team will get in touch.