Skip to product information
1 of 1

  • Images are for illustration purposes only

Radox Muscle Therapy Bath Soak - 500ml

Radox Muscle Therapy Bath Soak - 500ml

  • 1. Ozempic®️-equivalent therapy now available for weight management
  • 2. Average weight loss of 17%, with 1 in 3 patients achieving over 20%
  • 3. May help reduce osteoarthritis-related pain
  • 4. Wegovy®️ is not expected to impact the effectiveness of oral contraceptives
  • 5. Supports cardiovascular risk reduction
  • 6. Over 22 million patients treated with semaglutide-based therapies since 2018

  • ✔️ Soothes aching, tired muscles with eucalyptus oil
  • ✔️ Sea minerals help condition skin during every soak
  • ✔️ Designed for post-exercise muscle recovery and relief
  • ✔️ Warm water immersion promotes circulation to tired muscles
  • ✔️ 500ml bottle provides up to 25 baths per pack

Price Checker

Regular price £4.46
Sale price £4.46
Sale Sold out
  • Lowest price guarantee
  • Includes FREE private prescription
View full details

 

What Is a Muscle Soak Bath and How Can Radox Help?

 

Whether you've pushed yourself at the gym, spent a long day on your feet, or simply woken up with that familiar stiffness in your shoulders and legs, a warm bath can feel like the simplest form of relief. The Radox Muscle Therapy Bath Soak 500ml is designed specifically for those moments. Formulated with eucalyptus oil and sea minerals, it turns your everyday bath into a muscle soak bath that helps ease tension and tiredness from overworked muscles. At just £4.46, it's an accessible, no-fuss option for everyday muscle comfort.

Muscle soreness after physical activity — often called delayed onset muscle soreness (DOMS) — is a normal physiological response. The NHS notes that rest, gentle movement, and warmth can all help manage this kind of discomfort. A warm bath is one of the most widely recommended self-care strategies for mild muscular aches, and adding a targeted bath soak can enhance that experience. If you're also exploring other approaches to managing discomfort, our pain relief collection includes a range of topical and oral options worth considering.

 

How Does Radox Muscle Therapy Bath Soak Work?

 

The mechanism here is straightforward but effective. Warm water immersion causes peripheral vasodilation — essentially, your blood vessels near the skin surface widen, improving circulation to tired muscle tissue. The Radox Muscle Therapy formula adds two key elements to this process:

  • Eucalyptus oil: A naturally derived aromatic compound with well-documented cooling and soothing properties. When inhaled as steam during a warm bath, it can also support a sense of relaxation and ease.
  • Sea minerals: These help condition the skin and contribute to the overall sensory experience of the soak, complementing the warmth of the water.
  • Warm water itself: Heat helps reduce muscle stiffness by relaxing muscle fibres and increasing tissue elasticity.
  • Aromatherapy effect: The scent of eucalyptus has been associated with reduced perceived exertion and a calming effect on the nervous system in several observational studies.

 

Who Should Use Radox Muscle Therapy Bath Soak?

 

This product is suitable for most adults who experience occasional muscle aches and tiredness. It's particularly well-suited to:

  • People experiencing post-exercise muscle soreness or DOMS
  • Those with physically demanding jobs who experience end-of-day fatigue in their muscles
  • Adults looking for a relaxing self-care routine that also targets mild muscular discomfort
  • Anyone who prefers a non-oral, topical approach to muscle relief

It is not intended to treat diagnosed musculoskeletal conditions, chronic pain, or inflammatory joint disease. If your muscle pain is persistent, severe, or accompanied by swelling, redness, or fever, you should speak to your GP rather than relying on a bath soak alone.

 

How Does Radox Muscle Therapy Compare to Other Bath Soaks?

 

Feature Radox Muscle Therapy Bath Soak Plain Epsom Salt Bath
Key ingredients Eucalyptus oil, sea minerals Magnesium sulphate
Aromatherapy benefit Yes — eucalyptus scent No
Ease of use Ready-to-use liquid — just pour Requires measuring and dissolving
Price £4.46 for 500ml Variable — typically £2–£5 per bag

 

Is Radox Muscle Therapy Bath Soak Safe to Use Regularly?

 

For most adults, this product is safe for regular use as part of a bathing routine. It is a cosmetic bath product, not a medicinal treatment, so it does not carry the same risk profile as oral analgesics. That said, if you have sensitive skin, a known fragrance allergy, or a skin condition such as eczema or psoriasis, you should patch-test before use or speak to your pharmacist first. Eucalyptus oil, while generally well-tolerated, can occasionally cause contact dermatitis in susceptible individuals.

Store the product below 25°C, away from direct sunlight, and keep the cap tightly closed between uses. If you're looking to complement this soak with topical options, our creams and ointments collection includes a range of products for skin and muscle comfort.

This product is a cosmetic. If you have an underlying medical condition or are taking other medicines, speak to your doctor or pharmacist before use.

Radox Muscle Therapy Bath Soak 500ml specifications
Treatment category Muscle comfort / Bath soak
Mechanism of action Warm water immersion with eucalyptus oil and sea minerals to soothe tired muscles
Effective for Aching, tired, and overworked muscles
Suitable for Adults
Active ingredient Eucalyptus oil, sea minerals
Pack size 500ml
UK classification Cosmetic product (not a medicine)
Preparation Liquid bath soak
Route of administration Topical (via bath water)

Specifications of Radox Muscle Therapy Bath Soak 500ml

 

What Is Radox Muscle Therapy Bath Soak and What Is It Used For?

 

Radox Muscle Therapy Bath Soak is a topical cosmetic bath product designed to help soothe aching and tired muscles through warm water immersion combined with eucalyptus oil and sea minerals. It is used by adults who experience everyday muscular discomfort — whether from exercise, physical work, or general fatigue. It is not a medicinal product and does not treat diagnosed medical conditions. Think of it as a supportive self-care tool rather than a clinical treatment.

The NHS recommends warmth as one of the first-line self-care measures for mild muscle pain and tension. A warm bath can help relax muscle fibres, ease stiffness, and promote a sense of calm — all of which this product is designed to complement.

 

What Do You Need to Know Before Using Radox Muscle Therapy Bath Soak?

 

Before using this product, please read the following carefully. While it is a cosmetic bath soak and not a prescription medicine, there are still important considerations to be aware of.

Do not use this product if you:

  • Have a known allergy or sensitivity to eucalyptus oil or any fragrance ingredients
  • Have open wounds, broken skin, or active skin infections in areas that will be submerged
  • Have a severe skin condition such as active eczema flare-ups or psoriasis without first consulting a healthcare professional
  • Are using it on or near young children or infants — eucalyptus oil is not recommended for use around children under two years of age

Warnings and precautions:

  • Avoid contact with eyes — if contact occurs, rinse thoroughly with clean water
  • Do not ingest — keep out of reach of children
  • If you are pregnant or breastfeeding, consult your midwife or GP before using products containing essential oils
  • Take care when getting in and out of the bath, as the product may make surfaces slippery
  • If skin irritation or redness develops, discontinue use immediately

Known interactions:

  • No clinically significant drug interactions are known for topical cosmetic bath soaks of this type
  • If you are using prescribed topical medicines on your skin, allow them to absorb fully before bathing, and consult your pharmacist if unsure

 

How Should You Use Radox Muscle Therapy Bath Soak?

 

Using this product correctly will help you get the most out of each bath. Follow these steps for best results:

  1. Run a warm bath — not too hot, as excessively hot water can irritate the skin and cause dizziness
  2. Add one to two capfuls of the bath soak directly under the running water to help it disperse evenly
  3. Swirl the water gently to mix the product throughout the bath
  4. Soak for at least 15–20 minutes to allow the warmth and ingredients to work on tired muscles
  5. Pat skin dry gently after bathing — avoid vigorous rubbing if skin feels sensitive
Indication Age Group Amount Frequency
Aching muscles after exercise Adults (18+) 1–2 capfuls per bath As needed, up to daily
General muscle tiredness Adults (18+) 1–2 capfuls per bath As needed
Children under 18 Not recommended without professional advice

 

What Are the Possible Side Effects of Radox Muscle Therapy Bath Soak?

 

As with any product containing fragrance or essential oils, side effects are possible, though they are uncommon in most users. Being aware of what to look out for means you can act quickly if something doesn't feel right.

Common side effects (may affect some users):

  • Mild skin dryness after bathing, particularly in those with naturally dry skin
  • Temporary skin redness, especially if bath water is too hot
  • Mild tingling sensation from the eucalyptus oil

Less common side effects (rare but possible):

  • Contact dermatitis — an itchy, red rash caused by sensitivity to fragrance or eucalyptus oil
  • Allergic reaction — symptoms may include hives, swelling, or significant skin irritation
  • Eye irritation if product splashes into the eyes

If you experience any allergic reaction, rinse the affected area with cool water and seek advice from your pharmacist or GP. For ongoing skin concerns, our skin care collection includes products that may help support skin health alongside your bathing routine.

 

How Should You Store Radox Muscle Therapy Bath Soak?

 

Proper storage keeps the product effective and safe to use throughout its shelf life. Follow these simple guidelines:

  • Store below 25°C in a cool, dry place away from direct sunlight
  • Keep the cap tightly closed when not in use to prevent evaporation of aromatic ingredients
  • Do not store in the fridge or freezer
  • Keep out of reach and sight of children at all times
  • Do not use after the expiry date printed on the packaging
  • If the product changes colour, smell, or consistency significantly, discontinue use

If you're building a broader self-care routine for muscle and joint comfort, it's worth exploring vitamins and supplements such as magnesium, which the NHS acknowledges plays a role in normal muscle function.

Written and reviewed by our qualified team

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 Radox Muscle Therapy Bath Soak online in the UK?

You can buy Radox Muscle Therapy Bath Soak 500ml directly from Cured Pharmacy online for just £4.46, with fast UK delivery to your door. It's available without a prescription and is straightforward to order. No GP visit or referral is needed — simply add it to your basket and check out.

How does Radox Muscle Therapy Bath Soak work in the body?

The product works primarily through the therapeutic effect of warm water immersion, which promotes vasodilation and helps relax tense muscle fibres. Eucalyptus oil adds an aromatic, cooling sensation that many people find soothing, while sea minerals help condition the skin during the soak. Together, these elements create a muscle soak bath experience that targets everyday tiredness and tension.

How do I use Radox Muscle Therapy Bath Soak step by step?

Run a comfortably warm bath and add one to two capfuls of the soak directly under the running water so it disperses evenly. Soak for at least 15–20 minutes, then pat your skin dry gently afterwards. Avoid making the water too hot, as this can cause dizziness or skin irritation.

How often can I use Radox Muscle Therapy Bath Soak?

You can use this bath soak as often as you bathe — daily use is fine for most adults with normal skin. If you notice any dryness or irritation developing, try reducing frequency to every other day. Always listen to your skin and consult a pharmacist if you have concerns.

Is Radox Muscle Therapy Bath Soak suitable for sensitive skin?

This product contains fragrance and eucalyptus oil, which can occasionally cause reactions in people with very sensitive or reactive skin. If you have a history of contact dermatitis or fragrance sensitivity, it's worth doing a small patch test before a full bath. People with active eczema or psoriasis should speak to their pharmacist or GP before use.

Can children use Radox Muscle Therapy Bath Soak?

This product is formulated for adult use and is not recommended for young children or infants, as eucalyptus oil can be irritating to young or sensitive skin. If you're looking for bath products suitable for little ones, our baby and toddler collection has age-appropriate options. Always check with a healthcare professional before using any scented bath product on a child.

What are the side effects of Radox Muscle Therapy Bath Soak?

Side effects are uncommon but can include mild skin dryness, temporary redness, or a tingling sensation from the eucalyptus oil. In rare cases, people with fragrance sensitivities may develop contact dermatitis — an itchy, red rash. If this happens, rinse the skin with cool water and stop using the product.

What should I do if I have an allergic reaction to Radox Muscle Therapy Bath Soak?

If you experience hives, significant swelling, or widespread skin irritation, get out of the bath, rinse the affected area thoroughly with cool water, and seek advice from a pharmacist or GP. In the case of a severe allergic reaction — such as difficulty breathing or swelling of the face — call 999 immediately. Always check the ingredient list before use if you have known allergies.

Can I use Radox Muscle Therapy Bath Soak if I am pregnant?

If you are pregnant, it's advisable to speak to your midwife or GP before using products containing essential oils such as eucalyptus, as guidance on their safety during pregnancy varies. Warm baths themselves are generally considered safe in pregnancy, but very hot baths should be avoided. Your healthcare team can give you personalised advice based on your stage of pregnancy.

What are alternatives to Radox Muscle Therapy Bath Soak?

Alternatives include Epsom salt baths (magnesium sulphate dissolved in warm water), other muscle-targeted bath soaks, or topical pain relief products such as gels and creams. You can explore a range of topical options in our pain relief collection. Your pharmacist can help you decide which approach suits your specific needs best.

How long should I soak in the bath for the best results?

Soaking for at least 15–20 minutes is generally recommended to allow the warmth and ingredients to have a meaningful effect on tired muscles. Shorter soaks may still feel relaxing but may not provide the same level of muscle relief. Avoid soaking for excessively long periods, particularly in very warm water, as this can cause dehydration or dizziness.

Does Radox Muscle Therapy Bath Soak help with back pain?

Warm baths are widely recommended by the NHS as a self-care measure for mild back pain and muscle tension, and this bath soak can complement that approach. However, it is not a medical treatment and will not address the underlying cause of persistent or severe back pain. If your back pain is ongoing, worsening, or accompanied by other symptoms, please see your GP.

Is Radox Muscle Therapy Bath Soak a medicine or a cosmetic?

Radox Muscle Therapy Bath Soak is classified as a cosmetic product, not a medicine, so it is not regulated by the MHRA as a medicinal product. This means it is not intended to diagnose, treat, cure, or prevent any medical condition. It is a self-care product designed to support comfort and relaxation as part of your everyday routine.

How long does a 500ml bottle of Radox Muscle Therapy Bath Soak last?

Using one to two capfuls per bath, a 500ml bottle typically provides around 15–25 baths depending on how much you use each time. At £4.46 per bottle, this makes it a very cost-effective option for regular use. Keeping the cap tightly closed between uses will help preserve the product's quality and fragrance.

What are the latest findings on eucalyptus oil for muscle relief?

Eucalyptus oil has been studied for its anti-inflammatory and analgesic properties, with some research suggesting it may help reduce perceived pain and muscle tension when used aromatically or topically. However, most evidence relates to inhalation or direct topical application rather than bath soaks specifically, so the effects in a diluted bath context are primarily sensory and relaxation-based. Always rely on NHS guidance for managing significant muscle pain rather than essential oil products alone.

How Should You Use Radox Muscle Therapy Bath Soak?

Using this bath soak correctly makes a real difference to how effective and comfortable the experience feels. Always run your bath before adding the product, and make sure the water temperature is warm but not scalding — excessively hot water can cause dizziness and may irritate the skin.

What Is the Correct Dose of Radox Muscle Therapy Bath Soak?

This is a cosmetic bath product, so "dosing" refers to the amount added to your bath rather than a medicinal dose. Using more than recommended won't necessarily improve results and may increase the risk of skin irritation, so stick to the guidance below.

When Is the Best Time to Use Radox Muscle Therapy Bath Soak?

The timing of your bath can influence how much benefit you get from this product. Many people find it most effective in the evening after physical activity, when muscles are already fatigued and the body is naturally winding down. A warm bath in the evening can also support better sleep by helping to lower your core body temperature after you step out, which is a well-recognised physiological cue for sleep onset according to NHS guidance on sleep hygiene.

That said, there's no strict rule — if you prefer a morning bath to ease overnight stiffness, that works just as well. Use it whenever it fits naturally into your routine and when your muscles feel they need it most.

How Long Can You Use Radox Muscle Therapy Bath Soak For?

There is no defined maximum duration of use for this cosmetic product. You can incorporate it into your bathing routine for as long as you find it helpful, provided your skin tolerates it well. If you notice any persistent skin dryness, irritation, or redness developing over time, take a break from the product and allow your skin to recover.

If muscle aches are ongoing, worsening, or not responding to self-care measures like warm baths, it's important to speak to your GP rather than continuing to rely solely on a bath soak. Persistent muscle pain can sometimes indicate an underlying condition that needs proper assessment.

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

Customer Reviews

Be the first to write a review
0%
(0)
0%
(0)
0%
(0)
0%
(0)
0%
(0)

What Are the Most Common Side Effects of Radox Muscle Therapy Bath Soak?

Most people use this bath soak without experiencing any unwanted effects. However, as with any product containing fragrance or essential oils, some individuals may notice mild reactions, particularly with regular use or sensitive skin.

  • Mild skin dryness after bathing
  • Temporary skin redness, especially if bath water is too warm
  • A mild tingling or cooling sensation from the eucalyptus oil
  • Slight tightness of the skin after prolonged soaking

What Are the Less Common Side Effects of Radox Muscle Therapy Bath Soak?

Less commonly, some users — particularly those with fragrance sensitivities or a history of skin reactions — may experience more noticeable effects. These are not typical but are worth being aware of before you use the product for the first time.

  • Contact dermatitis — an itchy, red, or blistering rash caused by sensitivity to fragrance components or eucalyptus oil
  • Urticaria (hives) — raised, itchy welts on the skin
  • Eye irritation if the product splashes into the eyes during bathing
  • Headache in individuals particularly sensitive to strong fragrances

What Are the Serious Side Effects of Radox Muscle Therapy Bath Soak?

Serious reactions to cosmetic bath soaks are rare but can occur in people with severe fragrance or essential oil allergies. Signs of a serious allergic reaction (anaphylaxis) include swelling of the face, lips, or throat, difficulty breathing, or a sudden drop in blood pressure. If you experience any of these symptoms, call 999 immediately and do not wait to see if symptoms improve on their own.

Ingestion of the product — even a small amount — can cause nausea, vomiting, or irritation of the mouth and throat, particularly in children. If ingestion occurs, contact the NHS 111 service or Poison Control for guidance immediately.

What Should You Do If You Experience Side Effects?

If you notice any skin irritation, redness, or rash during or after using this product, get out of the bath and rinse the affected area thoroughly with cool, clean water. Discontinue use of the product and allow your skin to recover before considering whether to try it again. For mild reactions, an unperfumed moisturiser may help soothe the skin.

If symptoms persist beyond 24–48 hours, or if you are concerned about the severity of your reaction, contact your pharmacist or GP. They can assess whether you need further treatment and advise on whether the reaction is likely to be related to a specific ingredient.

Can Radox Muscle Therapy Bath Soak Interact With Other Products?

As a cosmetic bath product, Radox Muscle Therapy Bath Soak does not have clinically significant interactions with oral medicines. However, if you are using prescribed topical treatments — such as steroid creams, emollients, or medicated washes — on your skin, it is worth speaking to your pharmacist before combining them with a fragranced bath soak. Some topical medicines may be diluted or washed off prematurely if used immediately before or during a bath. Allow any prescribed topical products to absorb fully before bathing where possible.

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

We’re a safe and
regulated UK service

Registered Pharmacy Badge

Lowest Price Guarantee

We're convinced you won't find your treatment cheaper, but if you do we'll refund the difference.

Find out more

100% discreet packaging

We're convinced you won't find your treatment cheaper, but if you do we'll refund the difference.

Find out more

Agent

Need help?
Talk to our friendly experts now

How our service works

Service Setup

Service setup

Discreet Packaging

Discreet packaging

Express Delivery

Express delivery