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Borunda.A.(2019, April 18). The beauty industry generates a lot of plastic waste. Can it change?https://www.nationalgeographic.com/environment/article/beauty-personal-care-industry-plastic

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This article was created in partnership with the National Geographic Society.

For Tara Pelletier, it came down to deodorant.

Her company, Meow Meow Tweet, had developed a formula for deodorant that she loved. It worked, it smelled great, and it was ready to make its way out into the armpits of her eager customers. The hold-up? The packaging.

Most deodorants on the market come in hard plastic cases with many tiny components, each of which is made of a different type of plastic, and most of which are not readily recyclable, even if a customer were dedicated enough to dismantle the whole thing.

Why, she thought, should a deodorant that she'd use for a few weeks or months come in a plastic case that would be around for longer than she'd be alive?

So

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The beauty industry relies on plastic. Can it change?

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Shampoo, lotion, deodorant: They all come swathed in plastic. But some companies are trying to change that.

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ZME Science. (2020, January 22),. Solid soap vs liquid soap: which is more eco friendly?. Retrieved form: https://www.zmescience.com/other/feature-post/feature-solid-soap-liquid-soap-environment-29052020/

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The humble soap bar is back - and it's ready to play its part in saving the environment. It works just as well as liquid soap in cleaning and disinfecting, and is a touch more eco-friendly.

The act of bathing is so common we don't really pay it much attention. You go in, run the water, clean yourself with soap, rinse, dry, and you're out. Except many people don't actually use soap anymore.

Soap is a product made from a combination of fats (or oils) and an alkali (traditionally, lye). We might sometimes call other things 'soap', but that's not technically accurate. For instance, body wash is technically a detergent - it contains extra chemicals called surfactants. Some solid soaps can also be labeled as a detergent, which is usually written on the label: if it says 'soap', it's soap - otherwise, it's probably detergent.

So which one should you buy? There's such a huge selection on the market and everyone has their own personal preference. But if you're thinking about the environment, the answer is pretty straightforward.

You should use bar soap.

You use less solid soap

It's always difficult to compare different products that serve the same purpose. It's not just the ingredients and energy that's used in the production - a thorough lifetime analysis also needs to consider transportation, usage, and disposal.

Luckily for us, a team of researchers from Zurich's Institute of Environmental Engineering already performer the analysis, and here's what they found.

For starters, you use less solid soap than liquid.

In a regular 30-second hand wash, people use on average 0.35g of bar soap - compared to 2.3g liquid soap. In other words, washing your hands takes more than 6 times more liquid soap than solid soap.

That is, in part, due to how the products are used: you use a spurt of liquid soap, and that's simply more than what you use when you wash your hands the old-fashioned way.

So solid soap would be better and cheaper even if it would require the same resources pound per pound as liquid soap.

But it doesn't.

Soap doesn't account for a large part of your carbon footprint. Things like diet and transportation have a much bigger impact, and that's where you should act first. But every positive impact is still an impact, and here's how that applies to soap.

Liquid soap has 10x the carbon footprint of bar soap. The first reason for that is the extra chemicals contained by liquid soap, which are relatively energy-intensive.

The second aspect is packaging: liquid soap is packaged in specific plastic containers which, again, require more energy to produce than the solid soap packaging (more on that in the packaging section).

Water and land usage

When it comes to water usage, liquid soap salvages some ground. We tend to use 30% more warm water when we wash with solid soap compared to liquid. It's significant that this is warm water, which also implies an energy cost for warming the water.

However, this is compensated by the end of life disposal: the chemicals used in liquid soap require more wastewater treatment than those used in soap. The liquid soap's advantage in this regard is slim at best.

Land usage is also an area where liquid soap fares slightly better. Bar soaps contain ingredients derived from vegetable oils, which usually come from farmed crops.

This impact differs from place to place depending on agricultural practices, but it usually translates into a slightly higher environmental cost for solid soap.

Transportation

Solid soap surges ahead when it comes to transportation - it's much more efficient. Not only is liquid soap heavier to carry, but it's also not packaged very efficiently. Bar soap is almost always packed in stackable bars, which saves a lot of space.

This is also an advantage for sellers, which allows them to store more soap, requiring fewer shipments.

Packaging and disposal

This is where liquid soap becomes really disadvantageous. As mentioned, liquid soap requires much more wastewater treatment and has much more plastic packaging than solid soap.

Not only does this mean producing the packaging is costly (from an environmental perspective), but disposing of it is also problematic.

Solid soap, on the other hand, often has minimal packaging. A simple paper label is usually applied, or a thin plastic coat (also problematic, but less so than with liquid soap).

The verdict

It's not entirely a black and white issue but environmentally, solid soap is almost always better. From the cradle to the bin, liquid soap uses several times more energy and has packaging which is difficult to recycle or dispose of.

If you want to use liquid soap, there are ways to improve its environmental performance. For example, you can buy wholesale and refill existing bottles by bringing your own container to the store (in places that allow this).

But for now, solid soap is more eco-friendly. It won't make a massive difference in your overall resource usage, but every bit can help.

Thankfully, soap bars are also enjoying a popularity resurgence, with numerous fancy and varied products available on the market.

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Solid soap vs liquid soap: which is more eco friendly?

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The humble soap bar is back - and it's ready to play its part in saving the environment. It works just as well as liquid soap in cleaning and disinfecting, and is a touch more eco-friendly. The act of bathing is so common we don't really pay it much attention.

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Benefits of an environmentally friendly soap with a solid consistency 

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Benefits of an environmentally friendly soap with a solid consistency 

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World Wild Life. (2021). Plastics. Retrieved from:
https://www.worldwildlife.org/initiatives/plastics

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Plastic waste is choking our planet - polluting the air, water, and soil both people and wildlife need to survive. And as this crisis spreads to every corner of the globe, WWF is leading the charge to help reimagine how we source, design, dispose of, and reuse the plastic materials communities most depend upon. Because while plastic can help make our hospitals safer, our food last longer, and our packages more efficient to ship, it has no place in nature.

Every day plastic is flowing into our natural environment at an unprecedented rate - a dump truck every minute into our oceans alone. It's time to turn off the tap. Together. WWF is uniting our global networks of industry leaders, consumers, and policymakers to transform our systems, so the plastics we discard become plastics we use again.

As everyday people continue doing their part to reduce, reuse, and recycle, WWF is engaging policymakers to ensure the plastics leaving recycling bins stay in effective waste management systems, and out of the hands of illegal plastic traffickers.

Through our ReSource:Plastic activation hub, we're helping some of the world's leading companies translate ambitious plastic commitments into measurable change - both across their business operations, and well beyond their supply chains. We're working on the ground with local partners from Indonesia to Peru to keep plastic out of our planet's most extraordinary ecosystems. And in oceans the world over we're supporting communities and fishing crews, big and small, to improve gear use and recovery, so issues like abandoned nets no longer pose one of the biggest threats to marine life.

WWF is fighting for a world with no plastic in nature by 2030. It's a world where our oceans teem with marine life, not discarded nets, bottles and bags. Where no human breathes the toxic fumes of burning plastic. And where every indispensable plastic product is used to make another.

It's a world where people and nature thrive together. Join us.

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Plastic waste is choking our planet - polluting the air, water, and soil both people and wildlife need to survive. And as this crisis spreads to every corner of the globe, WWF is leading the charge to help reimagine how we source, design, dispose of, and reuse the plastic materials communities most depend upon.

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Monosoff, T. (2021, September 08). 8 Tips to Get Your Business Going, Even If You Don’t Know Where to start. Retrieved from: https://www.entrepreneur.com/article/207488

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Colombia.co (n.d). Made in Colombia: eco-friendly products to save the planet. Retrieved from: https://www.colombia.co/en/colombia-country/famous-people-from-colombia/made-in-colombia-eco-friendly-products-to-save-the-planet/

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Different eco-friendly products Made in Colombia

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Different eco-friendly products Made in Colombia

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Anonymous. (2019, September 09). The environmental impact of soaps and detergents. Webgraphy
https://greenvita.com/blog/index.php/en/what-environmental-impact-does-the-use-of-soaps-and-detergents/