Best Biodegradable Solid Soap Bars of 2025

Charlotte Powell Avatar
Charlotte Powell
Last Updated: 8 Feb 2025

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Introducing a new range of environmentally-friendly cleaning products that are sure to make a positive impact on your daily routine. These biodegradable solid soap bars are made from natural ingredients and are free from harmful chemicals, making them safe for both you and the planet. With a variety of fragrances and uses, these soap bars are perfect for everything from washing your hands to cleaning dishes and laundry. Say goodbye to plastic packaging and hello to a more sustainable way of cleaning.

At a Glance: Our Top Picks

Marcel's Green Soap Vanilla & Cherry Blossom Body Bar Cover #TOP 1
Marcel's Green Soap Vanilla & Cherry Blossom Body Bar
ftb score rating icon 9.8
Palmolive Naturals Moisture Care Bar Soap Cover #TOP 2
Palmolive Naturals Moisture Care Bar Soap
ftb score rating icon 9.7
Palmolive Naturals Vegan Olive Milk Soap Bars Cover #TOP 3
Palmolive Naturals Vegan Olive Milk Soap Bars
ftb score rating icon 9.5

Top 10 Biodegradable Solid Soap Bars

Marcel's Green Soap Vanilla & Cherry Blossom Body Bar

8203
1 count (Pack of 1)
Marcel's Green Soap Vanilla & Cherry Blossom Body Bar Cover
Marcel's Green Soap - Body Bar Vanilla & Cherryblossom - Saves 3 bottles of regular Shower Gel - 100% Eco friendly - 100% Vegan - 97% Biodegradable - 150 G

The Marcel's Green Soap Body Bar offers an excellent way to pamper your skin daily. Infused with argan oil and vegetable glycerin, it provides extra hydration and leaves your skin feeling smooth. The compact design means less water is transported, making it eco-friendly. Additionally, this bar is 97% biodegradable and completely vegan, which is perfect for those who care about the planet. The delightful fragrance of cherry blossom and vanilla will uplift your spirits, ensuring you feel refreshed with every use.

What We Like
Eco-friendly and vegan
Hydrates and smooths skin
Compact and water-efficient
Delightful cherry blossom fragrance
97% biodegradable

Palmolive Naturals Moisture Care Bar Soap

Palmolive
61035690
3x90g
Palmolive Naturals Moisture Care Bar Soap Cover
Palmolive Naturals Moisture Care with Olive 3 x 90g Bar Soap - Moisturising Hand Soap - Biodegradable Soap Formula

Palmolive Moisture Care Soap is a delightful option for those seeking a gentle and effective cleansing experience. Its unique formula combines olive and milk, providing intense moisturisation for your skin. With 98% natural origin ingredients, you can feel confident knowing you are using a product that cares for your skin and the environment. Additionally, this soap is 98% biodegradable, making it an eco-friendly choice for your daily routine. Suitable for hands, body, and face, it brings convenience and nourishment to your skincare regimen.

What We Like
Moisturises skin effectively
Contains natural ingredients
Eco-friendly biodegradable formula
Versatile for hands, body, face

Palmolive Naturals Vegan Olive Milk Soap Bars

Treseida
Green
Palmolive Naturals Vegan Olive Milk Soap Bars Cover
Palmolive Naturals Soap Bar Moisture With Olive Milk, Soap Bars (Pack Of 12), Vegan Soap Natural Origin Biodegradable Soap For Body Hands And Face, With Treseida Thank You Card

The Palmolive Naturals Soap Bars offer a nourishing cleanse enriched with olive milk, ensuring your skin feels moisturised and cared for. With a pack of 12, you can enjoy long-lasting freshness, making it perfect for the whole family. These vegan and biodegradable soap bars are an eco-friendly choice, allowing you to maintain a sustainable skincare routine without compromising on quality. Suitable for use on your body, hands, and face, they provide a versatile clean for all skin types.

What We Like
Moisturising olive milk formula
Pack of 12 for value
Vegan and biodegradable
Suitable for all skin types
Personalised thank you card

Little Soap Company Ginger & Lemongrass Bar Soap

LSC 2106
100 g (Pack of 1)
Little Soap Company Ginger & Lemongrass Bar Soap Cover
Little Soap Company Naturals Ginger & Lemongrass Bar Soap - Vegan, Cruelty Free, No SLS or Parabens, With Ginger & Lemongrass Essential Oils, Natural Face, Body & Hand Soap Bar,100g

The Little Soap Company Bar Soap is a fantastic choice for those seeking a gentle and effective cleansing experience. It is completely free from harmful detergents, SLS, and parabens, ensuring that your skin is treated with care. Made from 99.9% naturally derived ingredients, this soap is not only good for your skin but also for the environment. Being 100% vegan and cruelty-free, you can feel confident that no animals were harmed in its creation. Plus, the plastic-free and biodegradable packaging makes it an eco-friendly option for your daily routine.

What We Like
Natural ingredients
Vegan and cruelty-free
Eco-friendly packaging
No harmful chemicals
Gentle on skin

Friendly Soap Natural Lavender & Geranium Shampoo Bar

SB002
Cream
Single
Friendly Soap Natural Lavender & Geranium Shampoo Bar Cover
Friendly Soap Handmade Natural Lavender & Geranium Shampoo Bar - Relaxing, Rich, Nourishing 95g, 1 unit

The Friendly Soap Shampoo Bar combines the soothing properties of Lavender and Geranium essential oils with the nourishing benefits of Coconut, Castor, and Olive oils. This handmade bar offers a rich, creamy lather that not only cleanses your hair but also deeply conditions your scalp, making it ideal for those seeking a gentle yet effective hair care option. Its natural ingredients ensure it is free from preservatives, sulphates, and palm oil, perfect for sensitive skin. Embrace a sustainable choice, knowing that your shampoo is cruelty-free and environmentally friendly.

What We Like
Handmade with natural ingredients
Deeply conditions hair and scalp
Sensitive skin friendly
Plastic-free and biodegradable
Cruelty-free and vegan

Eco Warrior Moisturising Body Scrub Soap Bar

LSC 6103
100 g (Pack of 1)
Eco Warrior Moisturising Body Scrub Soap Bar Cover
Eco Warrior Body Scrub Soap Bar - Vegan, Cruelty Free, No SLS or Parabens, Whole Body & Hand Soap, Moisturising and Exfoliating Citrus Essential Oils and Oatmeal, Natural Eco Friendly Bar Soap - 100g

The Eco Warrior Soap Bar offers a delightful combination of cleansing, moisturising, and exfoliating benefits. With oatmeal as a natural exfoliant, it helps reduce excess oil while soothing skin irritation and itching. Made from eco-friendly, simple ingredients, this vegan and cruelty-free soap is hand-crafted in the UK, ensuring you know exactly what you’re using on your skin. Its lack of harsh chemicals, including SLS and parabens, makes it a safe choice for all skin types. Ideal for bathrooms and travel, it eliminates the need for plastic packaging.

What We Like
Natural exfoliant with oatmeal
Eco-friendly and cruelty-free
No harsh chemicals
Convenient for travel
Hand-crafted in the UK

Eco Warrior Charcoal Clear Skin Soap Bar

LSC 6105
100 g (Pack of 1)
Eco Warrior Charcoal Clear Skin Soap Bar Cover
Eco Warrior Charcoal Clear Skin Soap Bar - Vegan, Cruelty Free, No SLS or Parabens, Whole Body Soap, Moisturising Charcoal, Grapeseed and Anti Bacterial Tea Tree Essential Oil, Eco Friendly Soap 100g

The Eco Warrior Soap is designed for all skin types, making it a versatile choice for everyone. Charcoal helps absorb excess oil, which is especially beneficial for oily skin, while also soothing sensitive and irritated skin. This eco-friendly bar is handcrafted in the UK using natural ingredients that you can trust. You won’t find any harsh chemicals like SLS or parabens here, ensuring a gentle cleanse that respects your skin's health. Plus, its compact size makes it perfect for travel and gym bags, without the worry of leaks.

What We Like
Suitable for all skin types
Handcrafted with natural ingredients
No harsh chemicals
Travel-friendly design
Eco-friendly and biodegradable

Friendly Soap Lavender & Tea Tree Shampoo Bar

SB001
Cream
95 g (Pack of 1)
Friendly Soap Lavender & Tea Tree Shampoo Bar Cover
Friendly Soap Handmade Natural Lavender & Tea Tree Shampoo Bar - Antibacterial, Rich, Nourishing 95g

The Friendly Soap Shampoo Bar is a handcrafted product made with soothing Lavender and Tea Tree essential oils, alongside nourishing Castor, Coconut, and Olive oils. This combination not only creates a luxurious creamy lather but also deeply cares for your hair. You will appreciate the refreshing scent that lingers, all while using a product that is free from preservatives, sulphates, and palm oil. Plus, it’s vegan-friendly and cruelty-free, making it a perfect choice for those with delicate skin.

What We Like
Handmade with natural ingredients
Rich, creamy lather
Vegan and cruelty-free
Plastic-free packaging
Environmental sustainability focus
#TOP 9

Friendly Soap Travel Bar with Essential Oils

TS001
light pink/yellow
95 g (Pack of 1)
Friendly Soap Travel Bar with Essential Oils Cover
Friendly Soap - Travel Bar, Lemongrass, Lavender, Tea Tree & Peppermint (95g), All-In-One, Plant-Based, Cruelty-Free, Made By Hand, No Preservatives or Sulphates, Sustainable

The Friendly Soap Travel Bar offers a convenient solution for your travel needs. Handcrafted with natural ingredients like Lavender, Lemongrass, Peppermint, and Tea Tree Essential Oils, it provides a refreshing wash for your body, hair, and even clothes. Its anti-septic, fungal, and insect repellent properties ensure you stay clean and protected while on the go. Plus, the absence of preservatives and sulphates makes it gentle on the most delicate skin, giving you peace of mind during your travels.

What We Like
Handmade with natural ingredients
Multi-purpose for body and clothes
Gentle on sensitive skin
Plastic-free and biodegradable

Friendly Soap Natural Peppermint & Eucalyptus Shampoo Bar

SB003
Cream
95 g (Pack of 1)
Friendly Soap Natural Peppermint & Eucalyptus Shampoo Bar Cover
Friendly Soap Handmade Natural Peppermint & Eucalyptus Shampoo Bar - Refreshing, Rich, Nourishing 95g

The Friendly Soap Shampoo Bar is a handcrafted blend of Coconut, Argan, Castor, and Olive Oils, paired with refreshing Peppermint and Eucalyptus essential oils. This combination not only nourishes your hair but also creates a rich, creamy lather that feels luxurious. With organic ingredients free from preservatives and sulphates, it's ideal for those with sensitive skin. Additionally, this eco-friendly option is vegan and cruelty-free, making it a responsible choice for your hair care routine.

What We Like
Handmade with natural ingredients
Rich, creamy lather
Vegan and cruelty-free
Eco-friendly packaging
Soothes and conditions hair
Buying Guide Image

Frequently Asked Questions (FAQs)

1. What is the most biodegradable soap?

Here are the best biodegradable soaps:. Dr. Bronner's Pure-Castile Liquid Soap.Sea to Summit Pocket Hand Wash.Coleman Camp Soap Sheets.Campsuds.Sea to Summit Wilderness Wash.

2. What is a biodegradable soap?

A biodegradable soap is a cleaning agent that can decompose naturally over time. These soaps can help reduce environmental impact when hikers, backpackers, and campers need to bathe or clean their belongings.

3. Is Castile Soap biodegradable?

You can use Castile soap to clean your whole house from top to bottom. Because it is eco-friendly and biodegradable, it is also perfect for cleaning outside your home.

4. Is Ivory biodegradable soap?

Ivory soap doesn't contain ingredients like triclosan and phosphate, and these are some of the worst ingredients for making soap. They don't break down; they'll remain in the environment for a very long time.

Editor's Notes

During our biodegradable solid soap bar research, we found 116 biodegradable solid soap bar products and shortlisted 10 quality products. We collected and analyzed 31,902 customer reviews through our big data system to write the biodegradable solid soap bars list. We found that most customers choose biodegradable solid soap bars with an average price of £4.47.

The biodegradable solid soap bars are available for purchase. We have researched hundreds of brands and picked the top brands of biodegradable solid soap bars, including marcel's green soap, Palmolive, Treseida, Little Soap Company, Friendly Soap.

Written by
Charlotte Powell Avatar

Charlotte Powell is a dermatologist and a licensed cosmetologist from Westminster, London. However, she was first a cosmetologist from London Beauty Training School. According to Charlotte, she needed better insight into the human skin, hence the dermatology degree. Long before she acquired her degree, she wrote and edited articles, eBooks, and editorials for companies and websites. Charlotte combines her skill and knowledge in providing DIY Beauty tips amongst other fashion related topics.