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Ultradex Whitening (previously called Sensitive) Toothpaste 75ml

Ultradex Whitening (previously called Sensitive) Toothpaste 75ml

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  • ✔️ Gently whitens teeth without harsh abrasives — safe for sensitive teeth
  • ✔️ Neutralises bad breath at source using stabilised chlorine dioxide
  • ✔️ Sodium fluoride strengthens enamel and protects against acid erosion
  • ✔️ Low-abrasion formula suitable for long-term twice-daily use
  • ✔️ Previously Ultradex Sensitive — same trusted gentle formula, new name

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Is Ultradex Whitening Toothpaste Right for Sensitive Teeth?

 

If you've ever avoided whitening toothpastes because they left your teeth aching, you're not alone. Many people with sensitive teeth assume they have to choose between a brighter smile and comfort. Ultradex Whitening Toothpaste 75ml — previously known as Ultradex Sensitive — is designed to challenge that assumption. It's a whitening toothpaste for sensitive teeth that gently lifts surface stains without the harsh abrasives found in many standard whitening products. You can browse our full range of oral health products at Cured Pharmacy to find the right fit for your dental routine.

Tooth sensitivity is extremely common in the UK. The NHS notes that sensitive teeth can be triggered by hot, cold, sweet, or acidic foods and drinks, and that the condition is often linked to exposed dentine or enamel erosion. Using a toothpaste that's too abrasive can worsen this over time. Ultradex Whitening Toothpaste takes a gentler approach — combining fluoride protection with a low-abrasion formula to support both whitening and everyday dental health.

 

How Does Ultradex Whitening Toothpaste Work?

 

The formula works through a combination of active ingredients that target both staining and bad breath simultaneously. Here's how each component contributes:

  • Stabilised chlorine dioxide: Neutralises volatile sulphur compounds (VSCs) — the primary cause of bad breath — rather than simply masking them with flavour.
  • Sodium fluoride: Strengthens tooth enamel and helps protect against acid erosion and decay, in line with NHS guidance on fluoride toothpaste use.
  • Mild polishing agents: Gently buff away surface stains caused by tea, coffee, and food without aggressively abrading the enamel surface.
  • Low-abrasion base: The Relative Dentine Abrasivity (RDA) is kept low, making it appropriate for daily use even on sensitive teeth.

The result is a toothpaste that addresses multiple oral health concerns in one tube — whitening, breath freshening, and enamel protection — without compromising on gentleness.

 

Who Should Use Ultradex Whitening Toothpaste?

 

This toothpaste is particularly well suited to adults who want a whiter smile but find conventional whitening products too harsh. It's also a sensible choice for anyone who has been advised by their dentist to use a low-abrasion toothpaste. That said, it's worth knowing who benefits most:

  • Adults with naturally sensitive teeth or exposed dentine
  • People with surface staining from tea, coffee, or red wine
  • Those who suffer from persistent bad breath (halitosis) and want a toothpaste that actively tackles the cause
  • Anyone looking for a daily whitening toothpaste that's gentle enough for long-term use

It is suitable for adults and children aged 6 and over. If you're unsure whether this product is appropriate for your specific dental condition, speak to your dentist or pharmacist before starting use.

 

How Does Ultradex Whitening Compare to Standard Whitening Toothpastes?

 

Feature Ultradex Whitening Toothpaste Standard Whitening Toothpaste
Suitable for sensitive teeth Yes — low-abrasion formula Often no — higher RDA values
Bad breath action Yes — stabilised chlorine dioxide targets VSCs Usually no — relies on flavouring only
Fluoride content Yes — sodium fluoride Varies by brand
Whitening mechanism Gentle surface stain removal Often abrasive or peroxide-based

 

Is Ultradex Whitening Toothpaste Clinically Suitable for Daily Use?

 

Yes. Because the formula uses a low-abrasion base, it is designed for twice-daily use as part of a standard brushing routine. The NHS recommends brushing teeth for two minutes, twice a day, using a fluoride toothpaste — and Ultradex Whitening Toothpaste meets that fluoride requirement. It's worth noting that this whitening toothpaste for sensitive teeth works best when used consistently over several weeks, rather than as an occasional treatment.

Store the tube below 25°C, away from direct sunlight, and keep it out of reach of children under 6. If you're managing broader dental hygiene alongside other health concerns, you might also find our dental products collection useful for complementary care items.

This product is a medicine. Speak to your doctor or pharmacist before using if you have an underlying medical condition or are taking other medicines.

Ultradex Whitening Toothpaste 75ml specifications
Treatment category Oral hygiene / dental care
Mechanism of action Stabilised chlorine dioxide neutralises VSCs; sodium fluoride strengthens enamel; mild polishing agents remove surface stains
Effective for Surface tooth staining, bad breath, enamel protection, sensitive teeth
Suitable for Adults and children aged 6 and over
Active ingredients Sodium fluoride, stabilised chlorine dioxide
Pack size 75ml
UK classification General Sale (GSL)
Preparation Toothpaste (gel/paste)
Route of administration Topical oral use

Specifications of Ultradex Whitening Toothpaste 75ml

 

What Is Ultradex Whitening Toothpaste and What Is It Used For?

 

Ultradex Whitening Toothpaste 75ml is an over-the-counter oral hygiene product formulated to gently whiten teeth, freshen breath, and protect enamel — all in one daily-use toothpaste. Previously sold as Ultradex Sensitive, the product retains its low-abrasion formula, making it appropriate for people who experience tooth sensitivity. It is used as a replacement for your regular toothpaste and does not require any additional whitening steps or trays.

The NHS advises that good oral hygiene — including twice-daily brushing with a fluoride toothpaste — is the foundation of dental health. Ultradex Whitening Toothpaste supports this routine by combining fluoride protection with targeted stain removal and breath-freshening action. It is not a treatment for tooth decay, gum disease, or dental infections, and it does not replace professional dental care.

 

What Do You Need to Know Before Using Ultradex Whitening Toothpaste?

 

Before incorporating this toothpaste into your routine, there are a few important points to be aware of. Most people tolerate it well, but the following contraindications and precautions apply:

  • Do not use if you are allergic to any of the listed ingredients, including sodium fluoride or stabilised chlorine dioxide
  • Not recommended for children under 6 years of age
  • Do not swallow — spit out after brushing
  • If you have active gum disease, dental abscesses, or significant enamel erosion, consult your dentist before use
  • Avoid contact with eyes; if contact occurs, rinse thoroughly with water

In terms of interactions, Ultradex Whitening Toothpaste is a topically applied product and is not known to interact with systemic medicines. However, if you use prescription dental products such as high-fluoride toothpastes or medicated mouthwashes, speak to your dentist or pharmacist to ensure compatibility.

  • No known systemic drug interactions
  • May not be suitable alongside prescription-strength fluoride products without dental advice

 

How Should You Use Ultradex Whitening Toothpaste?

 

Using this toothpaste correctly makes a real difference to both its whitening effect and its protective benefits. Follow these steps for best results:

  1. Squeeze a pea-sized amount of toothpaste onto a soft-bristled toothbrush
  2. Brush gently in small circular motions for a full two minutes, covering all tooth surfaces
  3. Pay particular attention to the gum line and the backs of teeth, where staining and plaque often accumulate
  4. Spit out the toothpaste after brushing — do not rinse your mouth with water immediately afterwards, as this washes away the fluoride
  5. Use twice daily — morning and evening — as part of your regular oral hygiene routine
Indication Age Group Amount Frequency
General whitening and oral hygiene Adults Pea-sized amount Twice daily
General whitening and oral hygiene Children aged 6 and over Pea-sized amount Twice daily (supervised)
Not suitable Children under 6

 

What Are the Possible Side Effects of Ultradex Whitening Toothpaste?

 

Side effects from this toothpaste are uncommon, particularly given its low-abrasion formulation. However, as with any oral hygiene product, some people may notice mild reactions, especially during the first few days of use. If you're managing other aspects of your health alongside your dental routine, our vitamins and supplements range includes products that support general wellbeing.

Common side effects:

  • Mild, temporary tooth sensitivity — particularly if you already have sensitive teeth
  • Slight tingling sensation on the gums or tongue after brushing

Less common side effects:

  • Gum irritation or redness, especially if brushing too vigorously
  • Altered taste sensation — usually resolves within a few days
  • Mouth ulcers in rare cases, which may indicate sensitivity to an ingredient

If you experience persistent irritation, swelling, or an allergic reaction (such as rash, difficulty breathing, or swelling of the face or throat), stop using the product immediately and seek medical attention. Allergic reactions to toothpaste ingredients are rare but possible.

 

How Should You Store Ultradex Whitening Toothpaste?

 

Proper storage helps maintain the effectiveness of the formula. Follow these guidelines to keep your toothpaste in good condition:

  • Store below 25°C in a cool, dry place
  • Keep away from direct sunlight and sources of heat
  • Keep the cap tightly closed when not in use
  • Keep out of reach and sight of children under 6 years
  • Do not use after the expiry date printed on the tube or packaging
  • Do not freeze

If you're building a complete oral care routine, pairing this toothpaste with a suitable mouthwash and interdental cleaning can further support your dental health. You'll find a wide selection of complementary products in our dental products collection.

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Your safety and success are our highest priorities. Our medical team rigorously evaluates every product and piece of advice we provide, ensuring you receive only the most effective, science-backed solutions available.

Frequently Asked Questions

Where can I buy Ultradex Whitening Toothpaste online in the UK?

You can buy Ultradex Whitening Toothpaste 75ml directly from Cured Pharmacy, a GPhC-registered UK online pharmacy, for just £4.79. No prescription is needed — it's a general sale product available to order at any time. Browse our full oral health range for complementary products to complete your dental routine.

How does Ultradex Whitening Toothpaste work in the mouth?

Ultradex Whitening Toothpaste uses stabilised chlorine dioxide to neutralise the volatile sulphur compounds responsible for bad breath, rather than simply masking odour. Mild polishing agents gently lift surface stains from tea, coffee, and food, while sodium fluoride strengthens enamel and protects against acid erosion. Together, these ingredients deliver whitening, breath freshening, and enamel protection in a single daily-use formula.

Is Ultradex Whitening Toothpaste safe for sensitive teeth?

Yes — this product was previously sold as Ultradex Sensitive, and the formulation remains specifically designed for people with sensitive teeth. It uses a low-abrasion base, which means it won't strip enamel or worsen existing sensitivity the way some harsher whitening toothpastes can. If your sensitivity is severe or linked to an underlying dental condition, it's worth checking with your dentist before switching toothpastes.

How do I use Ultradex Whitening Toothpaste step by step?

Apply a pea-sized amount to a soft-bristled toothbrush and brush gently for two minutes, covering all tooth surfaces including the gum line. Spit out after brushing — don't rinse with water immediately, as this removes the fluoride before it can work. Use twice daily, morning and evening, for consistent results.

How long does it take to see whitening results with Ultradex toothpaste?

Most people notice a visible reduction in surface staining within two to four weeks of consistent twice-daily use. Results depend on the degree of existing staining, your diet, and how consistently you use the product. It works on surface stains only — it won't change the natural colour of your teeth or address intrinsic discolouration.

Can children use Ultradex Whitening Toothpaste?

Ultradex Whitening Toothpaste is suitable for adults and children aged 6 and over, used under adult supervision. Children under 6 should use a toothpaste specifically formulated for their age group, as recommended by the NHS, to ensure the fluoride level is appropriate. If you're looking for dental products for younger children, speak to your dentist or health visitor for guidance.

What are the side effects of Ultradex Whitening Toothpaste?

Side effects are uncommon but may include mild tooth sensitivity, a slight tingling sensation on the gums, or temporary altered taste — particularly during the first few days of use. Less commonly, some people may experience gum irritation if they brush too vigorously. If you notice persistent irritation or any signs of an allergic reaction, stop using the product and consult your pharmacist or dentist.

What is the difference between Ultradex Whitening and Ultradex Sensitive toothpaste?

There is no difference in formulation — Ultradex Whitening Toothpaste is simply the new name for what was previously sold as Ultradex Sensitive Toothpaste. The product retains the same low-abrasion, fluoride-containing formula designed for sensitive teeth. The name change reflects a broader rebrand by Ultradex to better communicate the whitening benefit of the product.

Who is eligible to use Ultradex Whitening Toothpaste?

This toothpaste is suitable for most adults and children aged 6 and over who want to gently whiten their teeth while managing sensitivity. It is particularly well suited to those with surface staining from tea, coffee, or food, and those who experience bad breath alongside sensitivity. People with active dental infections, severe gum disease, or known allergies to the ingredients should seek dental advice before use.

Can I use Ultradex Whitening Toothpaste if I have dental crowns or veneers?

Whitening toothpastes, including Ultradex Whitening, work on natural tooth enamel and will not change the colour of crowns, veneers, or other dental restorations. The toothpaste is safe to use alongside these restorations, but it won't whiten them — so there may be a visible colour difference between natural teeth and restorations over time. Your dentist can advise on the best approach for your specific situation.

How long can I use Ultradex Whitening Toothpaste for?

Ultradex Whitening Toothpaste is designed for long-term daily use as a replacement for your regular toothpaste. Because it uses a low-abrasion formula, it is considered safe for ongoing twice-daily use without the risk of enamel damage associated with higher-abrasion whitening products. If you have any concerns about long-term use, your dentist can advise at your next check-up.

What happens if I accidentally swallow Ultradex Whitening Toothpaste?

Swallowing a small amount accidentally is unlikely to cause serious harm in adults, but the toothpaste is not intended to be ingested. If a child swallows a significant amount, contact NHS 111 or your nearest A&E for advice, as fluoride ingestion in larger quantities can be harmful to young children. Always keep toothpaste out of reach of children under 6.

Does Ultradex Whitening Toothpaste help with bad breath?

Yes — one of the key active ingredients, stabilised chlorine dioxide, specifically targets the volatile sulphur compounds (VSCs) that are the primary cause of bad breath (halitosis). Unlike many toothpastes that simply mask odour with mint flavouring, Ultradex Whitening Toothpaste works to neutralise the source of the smell. The NHS notes that persistent bad breath can sometimes indicate an underlying dental or health issue, so if it doesn't improve, see your dentist.

What are the alternatives to Ultradex Whitening Toothpaste?

Alternatives include other low-abrasion whitening toothpastes such as Sensodyne True White or Arm & Hammer Sensitive Whitening, though formulations and active ingredients vary between brands. For a broader look at dental care options, explore our dental products collection. Your dentist can recommend the most appropriate product based on your individual dental history and sensitivity level.

What is the latest research on whitening toothpaste for sensitive teeth?

Research consistently supports the use of low-abrasion fluoride toothpastes for people with sensitive teeth, as high-abrasion products can worsen dentine hypersensitivity over time. Studies on stabilised chlorine dioxide have demonstrated its effectiveness in reducing VSC levels and improving breath freshness with regular use. The NHS recommends fluoride toothpaste for all adults as the cornerstone of daily oral hygiene, regardless of sensitivity status.

How Should You Use Ultradex Whitening Toothpaste?

Using Ultradex Whitening Toothpaste correctly is straightforward, but a few simple steps make a real difference to the results you'll see. The NHS recommends brushing for a full two minutes, twice a day — and this toothpaste is designed to fit seamlessly into that routine.

Avoid eating or drinking for at least 30 minutes after brushing to maximise the fluoride benefit. If you use a mouthwash, use it at a different time of day rather than directly after brushing.

What Is the Correct Dose of Ultradex Whitening Toothpaste?

The amount of toothpaste you use matters more than you might think. Using too much doesn't improve results — a pea-sized amount is all that's needed for effective cleaning and whitening. The table below summarises the recommended amount and frequency by age group.

Do not use more than the recommended amount in an attempt to speed up whitening — this will not improve results and may increase the risk of mild irritation.

When Is the Best Time to Use Ultradex Whitening Toothpaste?

The most effective times to brush are in the morning after breakfast and last thing at night before bed. Brushing before bed is particularly important because saliva production decreases during sleep, leaving teeth more vulnerable to acid and bacterial activity overnight. Brushing at night with a fluoride toothpaste — and not rinsing — means the fluoride stays in contact with your enamel for longer, offering greater protection through the night.

If you consume staining foods or drinks such as coffee, tea, or red wine during the day, resist the urge to brush immediately afterwards. Wait at least 30 minutes to allow your enamel to reharden before brushing, as brushing too soon after acidic exposure can cause enamel wear.

How Long Can You Use Ultradex Whitening Toothpaste For?

Ultradex Whitening Toothpaste is formulated for long-term daily use. Unlike some whitening treatments that are intended for short courses only, this toothpaste is designed to replace your regular toothpaste indefinitely. Its low-abrasion formula means it is safe for ongoing twice-daily use without the risk of progressive enamel damage associated with higher-abrasion whitening products.

Most users see noticeable surface stain improvement within two to four weeks, with continued maintenance of results as long as the product is used consistently. If you have any concerns about long-term use — particularly if you have a history of enamel erosion or significant sensitivity — discuss this with your dentist at your next routine appointment.

Do not exceed the recommended dose. If in doubt, speak to your pharmacist.

What Are the Most Common Side Effects of Ultradex Whitening Toothpaste?

Ultradex Whitening Toothpaste is generally well tolerated, and most people use it without any problems. That said, as with any oral hygiene product, a small number of users may notice mild reactions, particularly during the first few days of use as their mouth adjusts to the formula.

  • Mild, temporary tooth sensitivity — especially if you already have sensitive teeth or exposed dentine
  • Slight tingling or cooling sensation on the gums or tongue immediately after brushing
  • Temporary altered taste perception, which usually resolves within a few days

What Are the Less Common Side Effects of Ultradex Whitening Toothpaste?

Less commonly, some users may experience more noticeable reactions. These are not typical but are worth being aware of, particularly if you have a history of oral sensitivity or allergies to dental products.

  • Gum irritation or redness, particularly if you brush too vigorously or use a hard-bristled toothbrush
  • Mouth ulcers in rare cases, which may suggest sensitivity to one of the ingredients
  • Dry mouth sensation in some individuals

If any of these effects persist beyond the first week of use, it's sensible to stop using the product and speak to your pharmacist or dentist.

What Are the Serious Side Effects of Ultradex Whitening Toothpaste?

Serious side effects are very rare with topically applied toothpastes. However, allergic reactions — though uncommon — can occur with any product. Signs of a serious allergic reaction (anaphylaxis) include swelling of the face, lips, tongue, or throat, difficulty breathing, a widespread rash, or dizziness. If you experience any of these symptoms after using this toothpaste, stop use immediately and call 999 or go to your nearest A&E. Do not wait to see if symptoms improve on their own.

Accidental ingestion of a large amount of toothpaste — particularly by young children — can cause nausea, vomiting, or stomach upset due to the fluoride content. Contact NHS 111 or your nearest A&E if this occurs.

What Should You Do If You Experience Side Effects?

For mild side effects such as temporary sensitivity or tingling, no specific action is usually needed — these often resolve on their own within a few days. Switching to a softer toothbrush and brushing more gently can also help reduce irritation. If side effects are persistent or worsening, discontinue use and seek advice from your pharmacist or dentist before continuing.

You can also report suspected side effects from cosmetic or oral hygiene products to the MHRA via the Yellow Card scheme at yellowcard.mhra.gov.uk. This helps regulators monitor the safety of products available in the UK.

Can Ultradex Whitening Toothpaste Interact With Other Dental Products?

Ultradex Whitening Toothpaste is not known to interact with systemic medicines. However, if you use prescription-strength fluoride toothpaste (such as Duraphat) or medicated mouthwashes prescribed by your dentist, it's worth checking with your dental team before switching or combining products. Using multiple fluoride-containing products simultaneously is generally not recommended without professional guidance, as excessive fluoride ingestion — particularly in children — can cause dental fluorosis over time.

If you use any other oral health products as part of a prescribed dental treatment plan, always inform your dentist that you are also using Ultradex Whitening Toothpaste.

If you are concerned about any side effects, contact your pharmacist or GP immediately.

Patient Information Leaflet

Important - Before taking any medication, it is always important to read the Patient Information Leaflet (PIL)

Written and reviewed by our qualified team

GPhC Number: 2233073
Tarun Kumar

Reviewed by:

Tarun Kumar

Superintendent/ Clinical Lead

📖 Find out more about our team of medical content authors and how we ensure the accuracy of our content with our content guidelines.

Content last updated: 31 Mar 2025

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