Sodium Sesquicarbonate | Borax Substitute Cleaner | Sustainable & Environmentally Friendly (750g)




Sodium Sesquicarbonate is a powerful, natural cleaner and a safe borax substitute for eco-conscious households. This eco friendly mineral compound, made from soda crystals and sodium bicarbonate, offers a similar pH to borax, making it ideal for a wide variety of cleaning and laundry tasks. Whether you're removing stains, softening water, or deep-cleaning your home, sodium sesquicarbonate provides an effective, sustainable, and environmentally friendly solution.
Our sodium sesquicarbonate combines the abrasive action of bicarbonate of soda with the degreasing power of soda crystals, delivering excellent results without harmful chemicals. It’s the perfect borax substitute for tackling tough laundry stains, enhancing detergent performance, and softening hard water naturally. Highly versatile and eco friendly, this product is also brilliant for removing limescale and cleaning surfaces like floors, baths, sinks, and bins.
Packaged in a resealable kraft bag lined with home compostable plant-based film, this sustainable product supports your commitment to living environmentally friendly. Free from plastic and proudly made in the UK, our sodium sesquicarbonate is vegan, non-toxic, and perfect for households seeking safer, eco friendly cleaning alternatives.
✅ Natural and eco friendly
✅ Safe and effective borax substitute
✅ Sustainable and plastic-free packaging
✅ Made in the UK
✅ 100% environmentally friendly
✅ Resealable and home compostable bag
🧽 Directions for Use
Laundry Boost and Stain Removal:
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Add 2–3 tablespoons of sodium sesquicarbonate to your laundry detergent to brighten whites, remove stains, and soften water naturally.
Surface and General Cleaning:
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Dissolve 4 tablespoons of sodium sesquicarbonate in 1 litre of warm water. Use this eco friendly solution to clean floors, baths, sinks, and bins effectively.
Limescale Removal:
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Apply sodium sesquicarbonate solution to affected areas and rinse thoroughly for a clean, environmentally friendly shine.
🧪 Ingredients
100% pure sodium sesquicarbonate. No added chemicals, fragrances, or toxins. A truly sustainable, eco friendly, and environmentally friendly cleaning alternative.
📦 Storage and Packaging
Store your sodium sesquicarbonate in a cool, dry place. The resealable kraft paper bag and compostable film ensure a sustainable, plastic-free, and environmentally friendly packaging solution.
Net Weight: 750g
✅ Why Choose Our Sodium Sesquicarbonate?
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Effective and natural borax substitute
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Highly versatile, eco friendly cleaning
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Fully sustainable packaging
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Proudly made in the UK
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100% environmentally friendly
Choose Sodium Sesquicarbonate for a natural, eco friendly, and sustainable approach to everyday cleaning — because a cleaner home shouldn't cost the Earth. 🌍
Our customers love our eco-friendly products, and we are sure you will too

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Make A Better Choice With Sodium Sesquicarbonate | Borax Substitute Cleaner | Sustainable & Environmentally Friendly (750g)
At RE:GN, you're making a smarter choice that benefits both yourself and the planet. By choosing Cosmeau Natural Laundry Scent Boosters—sustainably crafted, natural, and plastic-free—you're investing in high-quality items designed to last, while supporting eco-friendly practices that reduce waste and carbon footprints. Each purchase reflects your commitment to a healthier planet and a more conscious way of living. Together, we're redefining consumer responsibility and paving the way for a more sustainable future.
We're a trusted company for hundreds of people who want to save the planet like you







Your Questions, Answered
Yes, every product we sell is designed to be eco-friendly. We prioritize products made from sustainable, biodegradable, recyclable, or reusable materials to help reduce waste and promote a greener lifestyle.
We work closely with suppliers and brands that prioritize sustainability. Our products are made from natural or renewable materials, and we focus on ethical sourcing, minimal packaging, and reducing carbon footprints. We also vet our partners to ensure they meet our eco-friendly standards.
Yes, we offer a range of vegan products and all our products are cruelty-free, including skincare, beauty, and household items.
We aim to minimize our environmental impact with eco-friendly shipping practices. We use recyclable, compostable, or minimal packaging materials whenever possible. We also offset our carbon emissions from shipping to further reduce our ecological footprint.
As a British brand we take pride in customer service, your satisfaction is our number one priority. If you are not 100% completely satisfied with your product please let us know. We're always keen to speak with our customers and if there's an improvement we can make to our products, we'd love to hear about it!
For any of our products you’ve bought online, you have a right to change your mind within 14 days and receive a refund, unless our products were sealed for health protection or hygiene purposes, and you have unsealed them. You’ll also need the receipt or proof of purchase.
Due to the hygienic nature of our products, we cannot accept any returns where the product has been opened.
Here is a link to our full returns policy https://www.regn.co.uk/policies/refund-policy
Each product on our site comes with detailed descriptions, including materials used, environmental impact, and customer reviews to help you make an informed decision. If you have any specific questions, our customer support team is always happy to help.
Yes, once your order is shipped, you will receive a confirmation email with a tracking number so you can follow your delivery’s progress in real-time.
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