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Oilatum Eczema Dry Skin Bath Additive Emollient-500ml

Oilatum Eczema Dry Skin Bath Additive Emollient-500ml

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  • ✔️ Soothes dry, itchy eczema-prone skin during bathing
  • ✔️ Contains 63.4% light liquid paraffin for effective moisturisation
  • ✔️ Suitable for adults, children, and babies with dry skin
  • ✔️ Fragrance-free formula ideal for sensitive and reactive skin
  • ✔️ Helps restore the skin barrier to reduce eczema flare-ups

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Is Oilatum Bath Additive Eczema the Right Emollient for Dry Skin?

 

Living with eczema or persistently dry skin can be exhausting. The constant itch, tightness, and discomfort affect sleep, confidence, and daily life. Oilatum bath additive eczema is a well-established, clinically recognised emollient that works directly in your bath water to soothe and moisturise skin from head to toe. At just £9.58 for a 500ml bottle, it offers an accessible, everyday solution for adults, children, and babies alike. If you're exploring your options for skin care products that genuinely support dry and eczema-prone skin, this is one worth knowing about.

Eczema — also known as atopic dermatitis — affects around 1 in 5 children and 1 in 10 adults in the UK, according to the NHS. Emollients are the cornerstone of eczema management, recommended by the NHS as a first-line treatment to keep skin hydrated and reduce flare-ups. Oilatum Bath Additive has been used by dermatologists and GPs for decades, and it remains a trusted name in emollient therapy.

 

How Does Oilatum Bath Additive Work to Moisturise Skin?

 

The active ingredient in Oilatum Bath Additive is light liquid paraffin at 63.4% w/w. When you add it to warm bath water, it disperses and coats the skin with a thin, protective film. This film does two important things:

  • It reduces transepidermal water loss (TEWL) — the process by which moisture evaporates from the skin's surface.
  • It softens and soothes the outer layer of skin (the stratum corneum), making it more supple and less prone to cracking.
  • It creates a barrier that helps protect skin from environmental irritants that can trigger eczema flares.
  • It works passively — no rubbing or massaging required, which is ideal for sensitive or inflamed skin.

Unlike some topical emollients that need to be applied directly and worked into the skin, a bath additive allows the emollient to reach all areas of the body simultaneously, including hard-to-reach spots like the back. That makes it particularly useful for widespread dry skin conditions.

 

Who Should Use Oilatum Bath Additive Emollient?

 

This product is suitable for a wide range of people dealing with dry or sensitive skin conditions. It's particularly well-suited to those who find applying topical creams time-consuming or uncomfortable during flare-ups. The NHS recommends emollient bath additives as part of a broader eczema management plan, alongside leave-on emollients and, where necessary, topical corticosteroids.

Oilatum Bath Additive is appropriate for:

  • Adults and children with eczema (atopic dermatitis)
  • People with psoriasis or ichthyosis who experience dry, scaly skin
  • Babies and toddlers with dry or sensitive skin — under adult supervision
  • Anyone with generalised dry skin (xerosis) who wants a simple, whole-body moisturising routine

 

How Does Oilatum Bath Additive Compare to Other Emollient Bath Additives?

 

Feature Oilatum Bath Additive 500ml Balneum Bath Oil 500ml
Active ingredient Light liquid paraffin 63.4% w/w Soya oil 84.75% w/w
Suitable for babies Yes Yes
Fragrance-free Yes No (contains fragrance)
OTC availability Yes Yes

 

Is Oilatum Bath Additive Safe to Store and Use Long-Term?

 

Yes — when stored correctly and used as directed, this product is safe for regular, long-term use. Store it below 25°C, away from direct sunlight and heat sources. Keep the cap tightly closed between uses and always keep it out of reach of children. One important safety note: oilatum bath additive eczema products make bath surfaces extremely slippery. Always use a non-slip bath mat and take care when getting in and out of the bath, especially with young children or elderly users. You may also want to browse our range of baby and toddler skincare products if you're managing dry skin in younger children.

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.

Oilatum Eczema Dry Skin Bath Additive Emollient 500ml specifications
Treatment category Emollient / Dry skin treatment
Mechanism of action Forms a protective film on skin to reduce transepidermal water loss
Effective for Eczema, dry skin, psoriasis, ichthyosis
Suitable for Adults, children, and babies
Active ingredient Light liquid paraffin 63.4% w/w
Pack size 500ml
UK classification General Sale List (GSL)
Drug class Emollient
Preparation Liquid bath additive
Route of administration Topical — added to bath water

Specifications of Oilatum Eczema Dry Skin Bath Additive Emollient 500ml

 

What Is Oilatum Bath Additive and What Is It Used For?

 

Oilatum Eczema Dry Skin Bath Additive Emollient is a topical emollient preparation intended to be added to bath water. Its active ingredient — light liquid paraffin 63.4% w/w — is a well-established moisturising agent used in the management of dry skin conditions. The NHS recommends emollients as the foundation of treatment for eczema, and bath additives form an important part of that approach, particularly for people who find direct application of creams difficult or uncomfortable during flare-ups.

It is used to relieve the symptoms of dry, itchy, and inflamed skin associated with conditions including eczema (atopic dermatitis), psoriasis, and ichthyosis. It can also be used for general dry skin (xerosis) in adults, children, and babies. If you're managing a skin condition alongside other health concerns, our creams and ointments collection includes a range of complementary topical treatments.

 

What Do You Need to Know Before Using Oilatum Bath Additive?

 

Before using this product, read the following carefully. While Oilatum Bath Additive is generally well tolerated, there are some important contraindications and precautions to be aware of.

Do not use this product if you:

  • Are allergic to light liquid paraffin or any other ingredient in the formulation
  • Have a known hypersensitivity to any component of the product

Use with caution and speak to your pharmacist or GP if you:

  • Are using this product on a baby or young child — always supervise bathing
  • Have broken, infected, or weeping skin — emollients should not be applied to open wounds or active skin infections
  • Are using other topical treatments such as corticosteroids — apply these separately and at different times
  • Have a history of contact dermatitis or sensitivity to paraffin-based products

Drug interactions:

  • No significant drug interactions are known for topical emollient bath additives
  • If you are using topical corticosteroids or other prescribed skin treatments, speak to your pharmacist about the correct order and timing of application

Fire hazard warning: Emollient products containing paraffin can soak into fabric and create a fire risk. Wash clothing and bedding regularly and keep away from naked flames.

 

How Should You Use Oilatum Bath Additive Correctly?

 

Using this product correctly is straightforward, but following the steps below will help you get the most benefit from each bath.

  1. Fill the bath with comfortably warm — not hot — water. Hot water can strip the skin of its natural oils and worsen dryness.
  2. Add the recommended amount of Oilatum Bath Additive directly to the running water and stir to disperse evenly.
  3. Soak in the bath for 10–20 minutes to allow the emollient to coat the skin thoroughly.
  4. Step out carefully — the bath surface will be very slippery. Use a non-slip mat at all times.
  5. Pat skin gently dry with a soft towel. Do not rub, as this can aggravate sensitive or inflamed skin.
  6. Apply any leave-on emollient or prescribed topical treatment while the skin is still slightly damp to lock in moisture.
Indication Age Group Dose Frequency
Eczema / dry skin Adults 2–3 capfuls per bath Once or twice daily
Eczema / dry skin Children 1–2 capfuls per bath Once or twice daily
Eczema / dry skin Babies (infant bath) Half a capful Once daily

 

What Are the Possible Side Effects of Oilatum Bath Additive?

 

Side effects with emollient bath additives are uncommon, but it's important to know what to look out for. If you experience any unexpected reaction, stop using the product and speak to your pharmacist or GP.

Common side effects:

  • Mild skin irritation or redness at the site of contact
  • Slippery bath surface — this is expected and not a side effect of the product itself, but it is a significant safety concern

Less common side effects:

  • Skin rash or itching that worsens after use
  • Contact dermatitis in individuals with sensitivity to paraffin-based ingredients
  • Folliculitis (inflammation of hair follicles) with prolonged or excessive use — though this is rare with bath additives

 

How Should You Store Oilatum Bath Additive?

 

Correct storage helps maintain the product's effectiveness and safety throughout its shelf life.

  • Store below 25°C in a cool, dry place
  • Keep away from direct sunlight and heat sources
  • Keep the cap tightly closed when not in use
  • Keep out of the reach and sight of children
  • Do not use after the expiry date printed on the bottle
  • Do not store in the bathroom if it is frequently very warm and humid — a bedroom or airing cupboard shelf is preferable

For more information on managing skin conditions holistically, you may find it helpful to explore our skin care range, which includes a variety of emollients and topical treatments to complement your bathing routine.

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 Oilatum Bath Additive Emollient 500ml online in the UK?

You can buy Oilatum Bath Additive Emollient 500ml from Cured Pharmacy, a GPhC-registered UK online pharmacy, for just £9.58. It is available without a prescription and can be ordered directly to your door. It is also stocked in most UK high street pharmacies and larger supermarkets.

How does Oilatum Bath Additive work for eczema?

Oilatum Bath Additive contains light liquid paraffin, which disperses in bath water and coats the skin with a thin, moisturising film. This film reduces transepidermal water loss — the process by which moisture escapes through the skin — helping to keep skin hydrated and less prone to eczema flares. It works passively during bathing, so no rubbing or massaging is needed.

How do I use Oilatum Bath Additive step by step?

Using Oilatum Bath Additive is simple. Follow these steps:

  1. Run a warm (not hot) bath.
  2. Add 2–3 capfuls for adults, or 1–2 capfuls for children, directly to the water.
  3. Stir the water to disperse the product evenly.
  4. Soak for 10–20 minutes, then step out carefully using a non-slip mat.
  5. Pat skin dry gently — do not rub.

Apply any leave-on emollient immediately afterwards while skin is still slightly damp for best results.

Can I use Oilatum Bath Additive on my baby?

Yes, Oilatum Bath Additive is suitable for use on babies and young children under adult supervision. For infants, add approximately half a capful to a small baby bath of warm water. Always ensure the water temperature is comfortable and never leave a baby unattended in the bath, particularly as the product makes surfaces slippery.

What is the correct dose of Oilatum Bath Additive for adults?

For adults, the recommended dose is 2–3 capfuls added to a full bath of warm water, used once or twice daily as needed. Always follow the directions on the product label or as advised by your pharmacist. Do not exceed the recommended amount, as this will not increase effectiveness and may make the bath surface more slippery.

What are the side effects of Oilatum Bath Additive?

Side effects are uncommon but can include mild skin irritation, redness, or a rash in people sensitive to paraffin-based ingredients. The most significant safety concern is that the bath surface becomes very slippery — always use a non-slip bath mat. If you notice your skin worsening after use, stop and speak to your pharmacist or GP.

How do I manage the slippery bath risk when using Oilatum Bath Additive?

Always place a non-slip bath mat inside the bath before adding the product to the water. Hold onto a grab rail or the side of the bath when getting in and out. This is especially important for elderly users, young children, and anyone with mobility difficulties. Supervise children at all times during bathing.

Who is eligible to use Oilatum Bath Additive?

Oilatum Bath Additive is suitable for adults, children, and babies with eczema, psoriasis, ichthyosis, or general dry skin. It is available over the counter without a prescription. People with known allergies to light liquid paraffin or any other ingredient in the formulation should not use this product — check the full ingredients list before use.

How long can I use Oilatum Bath Additive for?

Oilatum Bath Additive can be used as part of a long-term daily skincare routine for chronic conditions such as eczema. The NHS recommends continuing emollient use even when skin appears clear, as this helps prevent flare-ups. If your symptoms do not improve or worsen after a few weeks of regular use, consult your GP.

Is there a fire risk associated with Oilatum Bath Additive?

Yes — like all paraffin-based emollient products, Oilatum Bath Additive can soak into fabric such as clothing, bedding, and towels, creating a fire hazard. Wash fabrics that have come into contact with the product regularly and at high temperatures. Keep away from naked flames, cigarettes, and other ignition sources. The MHRA and NHS have both issued guidance on this risk for paraffin-containing emollients.

What are alternatives to Oilatum Bath Additive for eczema?

Alternatives include Balneum Bath Oil (soya oil-based), Aveeno Dermexa Bath and Shower Oil, and Cetraben Bath Additive. Your pharmacist can help you choose the most appropriate option based on your skin type and any known sensitivities. You can also explore our creams and ointments range for leave-on emollient alternatives.

Can I use Oilatum Bath Additive with other eczema treatments?

Yes — Oilatum Bath Additive is typically used alongside leave-on emollients and, where prescribed, topical corticosteroids. Apply topical corticosteroids separately from your bath routine, usually after patting skin dry. Always follow your GP's or pharmacist's advice on the correct order and timing of treatments to avoid diluting or interfering with prescribed medicines.

Does Oilatum Bath Additive contain any fragrances or allergens?

Oilatum Bath Additive is fragrance-free, which makes it a good choice for people with sensitive or reactive skin. However, it does contain other excipients — always check the full ingredients list on the product packaging if you have known allergies or sensitivities. If you are unsure, speak to your pharmacist before use.

What is the latest research on emollient bath additives for eczema?

Research into emollient bath additives has produced mixed findings. A large UK trial (the BATHE study) questioned whether bath additives provide additional benefit over standard emollient cream use alone. However, the NHS continues to recommend them as part of a broader emollient regimen, and many patients find them helpful for whole-body moisturisation. Speak to your GP or dermatologist for personalised advice based on the latest clinical guidance.

Can I use Oilatum Bath Additive in the shower instead of the bath?

Oilatum Bath Additive is specifically formulated for use in bath water and is not designed for use as a shower product. If you prefer showering, consider a leave-on emollient applied after showering, or speak to your pharmacist about shower-specific emollient products. You can browse suitable options in our skin care collection.

How Should You Use Oilatum Bath Additive?

Using Oilatum Bath Additive correctly makes a real difference to how well it works. The key is to add it to warm — not hot — water, as hot water can actually worsen dry skin by stripping away natural oils. Always use a non-slip bath mat before getting into the bath, as the product makes surfaces slippery.

What Is the Correct Dose of Oilatum Bath Additive?

The dose varies depending on the age of the person using the product and the size of the bath. Always follow the directions on the product label and do not exceed the recommended amount — using more will not improve results and will simply make the bath more slippery.

When Is the Best Time to Use Oilatum Bath Additive?

There is no single "best" time — it depends on your routine and your skin's needs. Many people find that bathing in the evening helps to soothe itching before bed, which can improve sleep quality, a common concern for people with eczema. Others prefer a morning bath to start the day with well-moisturised skin. Consistency matters more than timing — try to bathe at the same time each day to establish a routine your skin can benefit from.

How Long Can You Use Oilatum Bath Additive For?

Oilatum Bath Additive is safe for long-term, ongoing use as part of a daily emollient regimen. The NHS recommends that people with eczema continue using emollients even when their skin is clear, as regular use helps to maintain the skin barrier and reduce the frequency of flare-ups. If you notice no improvement after several weeks of consistent use, or if your skin condition worsens, speak to your GP or pharmacist for further advice.

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

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What Are the Most Common Side Effects of Oilatum Bath Additive?

Oilatum Bath Additive is generally very well tolerated, and most people use it without experiencing any adverse effects. That said, as with any topical product, some individuals may notice mild reactions, particularly if they have very sensitive skin or a history of contact dermatitis.

  • Mild skin redness or irritation after bathing
  • Temporary itching or tingling, particularly on very dry or broken skin
  • Slippery bath surfaces — this is an expected effect of the product, not a skin reaction, but it is a significant safety concern

What Are the Less Common Side Effects of Oilatum Bath Additive?

Less commonly, some people may experience reactions that suggest a sensitivity to one of the product's ingredients. If any of the following occur, stop using the product and speak to your pharmacist or GP.

  • Skin rash or hives (urticaria)
  • Worsening of eczema or dry skin symptoms after use
  • Contact dermatitis — a localised inflammatory skin reaction
  • Folliculitis (inflammation of hair follicles) — rare with bath additives but possible with prolonged or excessive use

What Are the Serious Side Effects of Oilatum Bath Additive?

Serious side effects are very rare with topical emollient bath additives. However, there is one important non-skin risk to be aware of: the fire hazard associated with paraffin-based emollients. Paraffin can soak into clothing, bedding, and towels, and fabric contaminated in this way can ignite more easily than normal. The MHRA and NHS have both issued safety guidance on this risk. Always wash fabrics that have come into contact with the product regularly and at high temperatures, and keep away from naked flames, cigarettes, and other ignition sources.

What Should You Do If You Experience Side Effects?

If you develop a skin reaction such as a rash, increased redness, or worsening eczema after using Oilatum Bath Additive, stop using the product immediately. Rinse the affected area with clean water and pat dry gently. Contact your pharmacist or GP for advice — they may recommend an alternative emollient or investigate whether you have a sensitivity to any of the ingredients. In the unlikely event of a severe allergic reaction (swelling of the face, lips, or throat, difficulty breathing), seek emergency medical attention immediately by calling 999.

Can Oilatum Bath Additive Interact With Other Medicines?

No significant drug interactions are known for Oilatum Bath Additive when used as directed. However, if you are using prescribed topical treatments such as corticosteroids, calcineurin inhibitors (e.g. tacrolimus), or other medicated skin preparations, it is important to apply these separately from your bath routine. Typically, you would apply prescribed treatments after bathing and patting skin dry, rather than adding them to the bath water. Always follow your GP's or pharmacist's specific instructions regarding the timing and order of your skin treatments.

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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