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How Ultrapure Water Can Be Used in Pharmaceuticals For Improved Healthcare

How Ultrapure Water Can Be Used in Pharmaceuticals For Improved Healthcare

25 February 2026

Toby Patrick

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Ultrapure Water (UPW) is a very important part of the pharmaceutical industry, as it has such a high purity level of around 18.2 MΩ cm resistivity, which is perfect for removing ions, organic matter, bacteria and particulate matter. All of this can reduce the quality of medication and turn it into something that can be potentially catastrophic to patients' health.


Hand holding assorted colorful pills on a bright blue background, creating a vibrant and health-focused visual.

It’s mainly used for drug manufacturing, as it can sanitise materials and equipment so everything is kept clean and away from any danger. This improves healthcare and makes it safer for patients by reducing contamination risks. It also improves the stability of therapeutic products for patients who need them to function properly.


This guide will explore how ultrapure water is used in pharmaceuticals and why it’s essential for keeping patients protected while improving their healthcare. Continue reading to learn more.


How Pharmaceutical Industries Improve Healthcare

Safety of Injectables

UPW is used to produce water for injection, the required solvent for injectable medications like vaccines for infectious diseases. These types of medications are used across the world, so it’s crucial that they’re made to be safe to use since they get injected into  the skin and blood flow of patients. This ensures that they are free from endotoxins, microbes and chemical impurities that could cause sepsis or fatal adverse reactions. 


Product Efficacy and Stability

When UPW is used, it can remove ionic and organic contaminants as it prevents chemical interactions that could degrade Active Pharmaceutical Ingredients (APIs). This ensures medications remain stable and effective throughout their existence to prevent wasted medication, all while ensuring patient treatment is always safe to administer.


Preventing Contamination

Small contaminants are dangerous for medications, as they can interfere with how cells grow or cause a patient's body to have a bad reaction. Those within the industry can use UPW to help scientists make sure the environment stays clean and steady so that nothing ruins the medicine. This step is crucial for keeping the treatment safe and making sure it works exactly the way it should for the person taking it.


Sterilisation of Medical Devices

The integration of UPW in the pharmaceutical industry helps to generate clean steam for autoclaving. This ensures that surgical instruments and complex medical equipment are stripped of microscopic bio-burden without the risk of chemical residue. This minimises the transmission of pathogens and significantly reduces hospital infections that can occur from using products that have been contaminated. You can improve the integrity of the medical tools and the lives of the patients they serve.


Accurate Diagnostics

When new medicines are created and tested, scientists must use UPW to ensure their experiments are perfect in order for them to function as intended. This water is so clean that it has been stripped of every impurity that could interfere with testing equipment, making sure that the whole process is carefully constructed. When researchers prepare liquid samples for analysis, even the smallest change can create fake results called ghost peaks on their digital charts. This can ruin the final product of medication, leading to adverse effects on patients.


Formulation of Sensitive Topical Products

When companies make sensitive products like face creams or eye drops, they must use UPW to ensure it’s as safe as possible. Regular water contains tiny minerals and invisible bacteria that can easily irritate your skin or cause painful infections in your eyes. Manufacturers can remove those hidden impurities so the final product is gentle and effective. This high standard of purity protects your health and helps the medicine work exactly as it should without any nasty side effects.


What Technology is Used for UPW?

Continuous Electrodeionization (CEDI)

CEDI is the leading technology for UPW production. Used by water management companies like Xylem, it can replace chemical-based ion exchange with an electrochemical process. This can help to remove any impurities, including carbon dioxide, that can ruin medication. CEDI is a continuous, low-energy-consuming process and avoids the need for chemical regenerants, perfect for cost savings.


Ultraviolet (UV)

UV light can disrupt the DNA of microorganisms to prevent them from growing any bigger, while specific UV wavelengths can break down trace organisms. It helps manufacturers get more protection when making medication, as the water can stay at a consistent quality that will support regulatory compliance.


The pharmaceutical industry couldn’t survive without UPW. It’s the necessary component needed to ensure that all medication is safe to use, as it helps to sterilise machinery used by manufacturers and prevent any contamination from occurring. Without UPW, patients will receive inadequate care, as the medication they take could harm them or give them adverse effects. It’s crucial that companies within the industry keep their patients safe at all times to avoid any legal action from being taken against them.


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UK locked into third-party age checks as MPs claim VPNs on expenses

  • Writer: Paul Francis
    Paul Francis
  • Aug 11, 2025
  • 3 min read

The UK’s new Online Safety Act has introduced sweeping age verification rules for a wide range of digital services. From social media platforms to music streaming apps, users now face requests to prove their age through ID uploads, facial scans or other forms of verification.


Digital avatar with rainbow hair and formal attire on a holographic screen, surrounded by neon patterns. Futuristic and vibrant.

The majority of these checks are being handled by specialist third-party companies, often based overseas. They act as intermediaries, confirming whether a user is old enough to access certain content. In many cases, they do not share the full ID with the platform, instead sending back a simple “pass” or “fail”.


How the system works

Under the new law, platforms must ensure that children cannot access content deemed harmful. That includes explicit music lyrics, violent games, pornography, gambling, and online discussions of subjects such as eating disorders or suicide.


To meet this “highly effective” requirement, most companies have opted not to build their own systems. Instead they have signed contracts with external providers such as Yoti, Persona and Kids Web Services. These services use techniques like:

  • Scanning an official document such as a passport or driving licence.

  • Estimating a user’s age through a selfie analysed by AI.

  • Linking to government databases or credit card checks.


Some verification companies promise to delete personal data within days. Others may retain information for months or years, raising concerns among privacy advocates. Critics point out that once this infrastructure is in place, it could, in theory, be used for purposes beyond child safety.


MPs’ VPN expenses draw attention

While the public adjusts to this new reality, attention has turned to how some politicians manage their own online access.


A POLITICO review of parliamentary expenses found that several MPs, including Business Secretary Jonathan Reynolds, claimed subscriptions for virtual private networks (VPNs). Reynolds expensed a two-year NordVPN subscription in April 2024. Other MPs, such as Labour’s Sarah Champion and Alex Sobel, and Conservative MPs Gareth Davies and Chris Heaton-Harris, have also claimed for VPN services.


VPNs encrypt internet traffic and can hide a user’s location, making them harder to track. They are often used by businesses and journalists to protect sensitive information. However, they can also bypass regional restrictions, including those imposed by age-verification systems.


The revelation has sparked criticism online, with some pointing out the apparent contradiction between MPs approving legislation that pushes the public into using third-party age checks while themselves claiming tools that can avoid such checks.


What it means for ordinary users

For people who rarely think about online privacy, the combination of mandatory age verification and rising VPN usage can seem confusing. In practical terms, the new rules could mean:

  • You may need to upload official documents or scan your face to access websites you have used freely for years.

  • Your personal data may be handled by a company you have never heard of and which may be outside the UK.

  • Content you regard as harmless could still be blocked unless you verify your age.

  • Some smaller websites may block UK visitors altogether rather than invest in compliance systems.


Meanwhile, VPNs remain legal in the UK, but their usage is being monitored more closely. Providers have reported sharp rises in new subscriptions since the age verification rules came into effect. Privacy campaigners warn that this creates a two-tier internet where tech-savvy or wealthier users can pay for workarounds while others cannot.


The bigger picture

Supporters of the law, including many parents’ groups, argue that the measures are long overdue to protect children in an increasingly digital world. The government insists that the age checks are proportionate and that privacy is being respected.


Opponents counter that the approach is heavy-handed, ineffective against determined users, and potentially damaging to free expression. They also highlight that the involvement of overseas verification companies gives the UK little control over how data is stored or processed.


As the Online Safety Act’s child safety duties become fully enforceable, the divide between public compliance and private circumvention may continue to grow. The irony that some MPs are expensing VPNs while the public is told to trust age-checking systems has not been lost on critics.


For the average person, the choice is stark. Accept a new layer of ID checks to keep using familiar online services, or follow the lead of some elected representatives and invest in a VPN — with all the technical know-how and potential legal scrutiny that entails.

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