If you've ever picked up a product labelled "compostable" or "biodegradable" and wondered what the difference is, you're not alone.
These words are everywhere, from cleaning products and food packaging to rubbish bags and coffee cups. While they sound similar, they actually mean different things.
Understanding the difference doesn't just help you shop more confidently. It also helps you dispose of products correctly and make more informed choices for your home.
Here's a simple guide to compostable and biodegradable packaging, without the confusing jargon.
Quick Answer
Here's the short version:
- Biodegradable means a material can break down naturally over time with the help of microorganisms.
- Compostable means a material has been designed and tested to break down into natural elements within a specific timeframe and under defined composting conditions.
- Not all biodegradable packaging is compostable.
- In Australia, it's worth looking for recognised certifications such as AS 4736 (Industrially Compostable) or AS 5810 (Home Compostable).
What Does "Biodegradable" Actually Mean?
Biodegradable simply means a material can eventually break down through natural processes.
The important word is eventually.
The label alone doesn't tell you:
- how long it will take
- what conditions are needed
- whether it leaves behind harmful residues
- whether it belongs in your compost bin
A product may technically be biodegradable but still take many years to break down depending on where it ends up.
That's why the word "biodegradable" on its own doesn't always give you enough information about a product's environmental impact.
What Does "Compostable" Mean?
Compostable packaging goes a step further.
It has been designed to break down into natural materials without leaving harmful residues, provided it's composted under the appropriate conditions.
Rather than simply saying it can break down, compostable products are tested against recognised standards.
This gives consumers greater confidence about what the packaging is designed to do.
Home Compostable vs Industrially Compostable
Not all compostable packaging is the same.
Home Compostable (AS 5810)
Home compostable packaging is designed to break down in a well-managed home compost system.
If you compost at home, this certification tells you the packaging has been tested for those conditions.
Industrially Compostable (AS 4736)
Industrially compostable packaging requires the higher temperatures and controlled conditions found in commercial composting facilities.
This doesn't mean the packaging isn't sustainable, it simply means it needs different conditions to break down effectively.
Before disposing of industrially compostable packaging, it's always worth checking what facilities are available in your local area.
Compostable vs Biodegradable: What's the Difference?
| Compostable | Biodegradable |
|---|---|
| Tested against recognised composting standards | Simply means it can eventually break down |
| Breaks down within defined conditions and timeframes | No set timeframe or conditions |
| Leaves compost suitable for soil when certified | Doesn't automatically guarantee compost quality |
| May be home or industrially compostable | Can refer to many different materials |
Common Myths
Myth: If it's biodegradable, it will disappear anywhere.
Not necessarily.
How quickly something breaks down depends on the material and the environment it's in.
Myth: Compostable packaging belongs in every compost bin.
Not always.
Some packaging is certified for home composting, while other packaging is designed specifically for industrial composting facilities.
Always check the certification on the packaging.
Myth: Compostable packaging is always better than recyclable packaging.
Each packaging type has its place.
The best option often depends on your local waste and recycling services, how the product is used, and what disposal options are available where you live.
How Resparkle Uses Compostable Packaging
At Resparkle, we're always looking for ways to reduce unnecessary plastic while creating products that are practical for everyday Australian households.
That's why our Natural Laundry Powder comes in plastic-free, industrially compostable packaging.
And all our refills sachets are plastic-free and home compostable.
We believe sustainability starts with being transparent.
Rather than making broad environmental claims, we want our customers to understand exactly what our packaging is, how it works, and how to dispose of it responsibly.
Combined with our refill system, it's one of the many small ways we're working to reduce single-use plastic without making life more complicated.
Small Choices Add Up
Living more sustainably doesn't mean getting everything perfect.
It starts with understanding the products we bring into our homes and making informed choices where we can.
The next time you see the words compostable or biodegradable, you'll know they're not interchangeable, and you'll know what to look for.
Every refill, every reusable bottle and every thoughtful purchase is a small step towards creating less waste at home.
Because sustainability isn't about perfection.
It's about making better choices, one refill at a time.
Frequently Asked Questions
Is compostable packaging better than biodegradable packaging?
Not necessarily. Compostable packaging has been tested to break down under specific composting conditions, while biodegradable simply means a material will eventually break down. Understanding how each product should be disposed of is more important than the label itself.
Can I put industrially compostable packaging in my home compost?
No. Industrially compostable packaging is designed to break down in commercial composting facilities that operate at much higher temperatures than a typical home compost.
Does Resparkle use compostable packaging?
Yes. Resparkle's Natural Laundry Powder comes in plastic-free, industrially compostable packaging. Our refill products are also designed to help reduce single-use plastic by encouraging customers to reuse their existing bottles.
How can I make more sustainable choices at home?
Start small. Reuse bottles where you can, choose refill products, understand disposal labels, and buy products designed to reduce unnecessary waste. Small changes made consistently can have a meaningful impact over time.