10 Best Castile Soap Liquid in The UK

Last updated on 16/08/2025

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Lucemill Organic Castile Liquid Soap I 5 Litre I 100% Pure Certified Natural Soap I Gentle On Skin and Best For Body Wash Shampoo & Laundry Detergent

Why We Love It

Organic, pure cleansing power.
Versatile usage for anything.
Gentle on sensitive skin.

Main Highlights

SKIN CARE: Experience the soothing touch of our castile soap, crafted from 100% pure and natural ingredients. This natural soap is perfect for all skin types, as it is free from harsh chemicals and synthetic additives. With its gentle formula, you can cleanse your skin without stripping away its natural oils, leaving it feeling soft and refreshed.
CLEANING SOLUTION: Our liquid soap is not just for handwash, it's a versatile cleaning powerhouse. Use it as a simple soap, body wash, shampoo, or even a household cleaner. Its all-natural formulation makes it safe for various surfaces around your home. This castile liquid soap is perfect for those who prefer eco-friendly alternatives to commercial cleaning products.
SURFACTANT-FREE: Our organic soap is expertly crafted from organic coconut and sunflower Oils, ensuring a gentle cleanse without harsh surfactants. This unique formulation maintains a mild pH level, making it perfect hand soap for those with sensitive skin or anyone looking to avoid dryness while effectively removing dirt and impurities.
UNSCENTED FORMULA: Ideal for sensitive skin and those with allergies, our fragrance-free Castile soap provides a gentle yet thorough cleanse without any irritation.
ECO-FRIENDLY: Our liquid soap refill is an excellent choice for anyone who values natural products and sustainability. Packaged beautifully, this liquid hand soap makes a great present for birthdays, holidays, or housewarming events. It’s suitable for anyone who enjoys pampering themselves with high-quality skincare while being kind to the environment.

100% Natural, organic ingredients.
Multi-purpose and versatile use.
Vegan and cruelty-free formula.

Main Highlights

100% NATURAL INGREDIENTS: Our Castile soap is crafted from a blend of organic oils, including coconut, olive, and jojoba oil. Free from synthetic detergents and harmful chemicals, it’s safe for all skin types.
MULTI-PURPOSE USE: This all-in-one soap can be used for face, body, hair, and even household cleaning. It’s a perfect addition to your daily routine and a must-have for eco-conscious homes.
UNSCENTED FORMULA: Ideal for sensitive skin and those with allergies, our fragrance-free Castile soap provides a gentle yet thorough cleanse without any irritation.
ECO-FRIENDLY & BIODEGRADABLE: Committed to sustainability, our soap is biodegradable and comes in recyclable packaging, making it a responsible choice for both your family and the environment.
VEGAN & CRUELTY-FREE: Made without any animal products or testing, our Castile soap aligns with vegan and cruelty-free principles.

Dr Bronner's 18-in-1 Baby Unscented Pure Castile Liquid Soap, Made with Organic Oils, Used for Face, Hair, Babies, Laundry and Dishes, Certified Fair Trade & Vegan Friendly, 3,79L Recycled Bottle

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Why We Love It

Ideal for sensitive skin.
70% organic ingredients.
100% vegan and cruelty-free.

Main Highlights

Our soap has no added fragrance and double the olive oil to add comfort, especially for sensitive skin and babies. Our concentrated soap is 18-in-1 and effective for just about any cleaning task, making it ideal to add to your household essentials
This gentle Almond Soap includes 70% organic ingredients with plant-based products and no synthetic preservatives, detergents or foaming agents. We also use non-GMO ingredients, making a great smelling soap that benefits people and the planet
We use products that are cruelty free as they are not only 100% vegan, but they are also ensured to not be tested on animals. We pride ourselves on using fair trade ingredients to create a fragrance-free soap that can finally match your values
We pride ourselves in using 100% recycled packaging as we divert discarding plastic from landfills by creating bottles into bottles. This eliminates waste and increases demand for recycled plastic bottles leading to a positive environmental impact
After 150 years and 5 generations of family soap-making, we pride ourselves on making superb ecological soaps that are socially and environmentally responsible. This makes a ideal, guilt free touch of luxury for you and the family to enjoy!

Dr Bronner's 18-in-1 Citrus Orange Pure-Castile Liquid Soap, Made with Organic Oils, Used for Face, Body, Hair, Laundry, Pets and Dishes, Certified Fair Trade & Vegan Friendly, 946ml Recycled Bottle

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Why We Love It

Smooth and calming soap.
100% vegan and cruelty-free.
Positive environmental impact.

Main Highlights

Our 18-in-1 citrus soap is warm and comforting with a citrus aroma. This versatile soap is not only smooth and calming, but is 3x more concentrated than most liquid soaps, making it ideal to add to your household essentials.
This fresh, citrus soap includes 90% organic ingredients that are also plant based, with no synthetic preservatives, detergents or foaming agents, making a great smelling soap that benefits people and the planet.
We use products that are cruelty free as they are not only 100% vegan, but they are also ensured to not be tested on animals. We pride ourselves on using fair trade ingredients to create a fragrant soap that can finally match your values.
We pride ourselves in using 100% recycled packaging as we divert discarding plastic from landfills by creating bottles into bottles. This eliminates waste and increases demand for recycled plastic bottles leading to a positive environmental impact.
After 150 years and 5 generations of family soap-making, we pride ourselves on making superb ecological soaps that are socially and environmentally responsible. This makes a ideal, guilt free touch of luxury for you and the family to enjoy!

Dr Bronner's Cherry Blossom Pure Castile Liquid Soap, Made with Non-GMO Ingredients, Used for Face, Body, Hair, Laundry, Pets and Dishes, Certified Fair Trade & Vegan Friendly, 945ml Recycled Bottle

9% Off

Why We Love It

Sweet cherry aroma delights senses.
90% organic ingredients for safety.
Cruelty-free and vegan for all.

Main Highlights

Our subtle Blossom Liquid Soap mimicks the smell of spring and gives a sweet, cherry aroma whenever it's used. Our concentrated soap is 18-in-1 and effective for just about any cleaning task, making it ideal to add to your household essentials.
This versatile liquid soap includes 90% organic ingredients with plant based products and no synthetic preservatives, detergents or foaming agents with non-GMO ingredients, making a floral smelling soap that benefits people and the planet.
We use products that are cruelty free as they are not only 100% vegan, but they are also ensured to not be tested on animals. We pride ourselves on using fair trade ingredients to create a fragrant soap that can finally match your values.
We pride ourselves in using 100% recycled packaging as we divert discarding plastic from landfills by creating bottles into bottles. This eliminates waste and increases demand for recycled plastic bottles leading to a positive environmental impact.
After 150 years and 5 generations of family soap-making, we pride ourselves on making superb ecological soaps that are socially and environmentally responsible. This makes a ideal, guilt free touch of luxury for you and the family to enjoy!

100% natural Castile Soap.
Vegetarian & Vegan friendly.
Fragrance free option available.

Main Highlights

✅ 100% PURE & ORGANIC – Natural liquid soap made from organic plant oils. Free from SLS, parabens, synthetic fragrances, and additives.
✅ GENTLE & UNSCENTED – Unscented and hypoallergenic formula suitable for all skin types, including sensitive skin and babies.
✅ MULTI-PURPOSE SOAP BASE – Use as body wash, hand soap, shampoo, face cleanser, pet wash, or diluted for household cleaning.
✅ CUSTOMISABLE FOR DIY – Perfect base for adding essential oils or natural ingredients to create personalised skincare and cleaning products.
✅ VALUE 2 x 1 LITRE PACK – Supplied in recyclable HDPE bottles with screw caps. Great for refills, home, salon, or professional use.

Suezbana Liquid Castile Soap Organic 1Kg

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Why We Love It

Organic and natural ingredients.
Perfect for sensitive skin.
Ideal for daily use.

Main Highlights

Organic Liquid Casilte 1kg
Gentle, yet effective providing great cleansing action with multiply day to day use.
Fragrance Free

Naissance Organic Liquid Castile Soap (no. 407) - 870ml - Natural, Vegan, Unscented, SLS and SLES Free - for Homemade Beauty, Hand Wash, Dish Soap

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Why We Love It

Certified organic by Soil Association.
Made from nutrient-rich oils.
Extremely versatile and vegan-friendly.

Main Highlights

100% natural Castile Soap. Certified organic by the Soil Association.
Castile Soap offers a natural, deep cleansing soap made from a blend of high quality, nutrient rich vegetable oils. Castile Soap is a popular choice with vegetarians and vegans as it contains no animal fats.
As a natural soap made from vegetable oils, Castile Soap in it's natural form with no added fragrance has the aroma of vegetable oil
Castile Soap is extremely versatile, it can be used in place of other soaps such as hand/body wash or as a substitute for shampoo. Can be used straight from the bottle as a fragrance free wash or you can add a few drops of your favourite essential oils to create a personalised fragranced soap.
Not tested on animals and vegan friendly.

Dr. Bronner's Organic Lavender Pure-Castile Liquid Soap, 237 ml

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Why We Love It

Leaves skin clean and refreshed.
Made with certified fair trade.
Perfect for facial cleansing.

Main Highlights

Makes an intense, invigorating shower
Made with organic and Certified fair trade ingredients
Concentrated, biodegradable, versatile and effective
Use for facial cleansing and cleaning minor cuts and scrapes as well as everyday bathing
Leaves the skin feeling clean, refreshed, soft and smooth

Dr Bronner Organic Tea Tree Castile Liquid Soap 473 ml

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Why We Love It

Made with organic oils.
Effective for facial cleansing.
Intense, invigorating shower experience.

Main Highlights

Made with Organic Oils.
Use for Facial Cleansing and Cleaning Minor Cuts and Scrapes as well as Everyday Bathing
Makes an Intense, Invigorating Shower
Dissolves Sluggishness and Sloth of Spirit.
This product contains Glycerin.

8.7

Excellent

We scanned 1120 products

We reviewed these offers relevant to the Castile Soap Liquid within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like Lucemill, Dr. Bronner's, Suezbana, Naissance, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Castile Soap Liquid in the market, we considered we took a deep dive into 5601 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is Lucemill Organic Castile Liquid Soap I 5 Litre I 100% Pure Certified Natural Soap I Gentle On Skin and Best For Body Wash Shampoo & Laundry Detergent. We love many things about this product by Lucemill. What sets it apart from the competition is Organic, pure cleansing power, Versatile usage for anything, Gentle on sensitive skin.
The best value product for most shoppers and where user satisfaction is continuously the highest is Basic Elements Organic Castile Soap | 5 Litre | 100% Pure & Natural Liquid Soap Base | Unscented & SLS Free | Ideal for Face, Body, Hands, Pets & Cleaning | Vegan & Biodegradable by Lucemill based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Castile Soap Liquid and the best cost-to-value ratio is Dr Bronner's Cherry Blossom Pure Castile Liquid Soap, Made with Non-GMO Ingredients, Used for Face, Body, Hair, Laundry, Pets and Dishes, Certified Fair Trade & Vegan Friendly, 945ml Recycled Bottleat Dr. Bronner's with a 9% discount.
Our list of the best Castile Soap Liquid is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.

10 Best Castile Soap Liquid in The UK

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We scanned 1120 products

We concluded that: