What Is Preservative-Free Wine?

Preservative-free wine is wine made with no added preservatives, and most importantly no added sulphur dioxide (SO2), the additive listed as 220 on a label. Small amounts of sulphites still occur naturally during fermentation, so no wine is ever completely sulphite-free, but nothing extra is added. The result is a cleaner, more natural style that many drinkers find easier to enjoy.

If you have ever flipped a bottle over, seen the words “contains sulphites” and wondered what they are doing in your wine, you are in the right place. Below we explain what preservative-free really means, how these wines are made, whether they actually cause fewer headaches, and how to get the most out of them.

What “preservative-free” actually means

Almost all wine contains sulphites. Some are added by the winemaker as a preservative, and some form naturally as yeast turns grape juice into wine. That natural amount is unavoidable, which is why you will rarely see a wine honestly described as sulphite-free.

A few terms get used loosely, so it helps to separate them:

• Preservative-free or no added preservative. No sulphur dioxide (220) or other preservatives are added. Only naturally occurring sulphites remain.

• Low preservative. A small, reduced amount of added sulphites.

• Organic or biodynamic. This refers to how the grapes are grown, not to preservatives. Many organic wines are also preservative-free, but not all of them.

In Australia, sulphite levels are tightly regulated, and any wine with more than 10mg/kg of sulphites must declare “contains sulphites” on the label. You can read more about how preservatives are classified on the Food Standards Australia New Zealand additives page. That labelling is why the wording matters, and why a genuine preservative-free wine is a deliberate winemaking choice rather than an accident.

Additional Read: Organic vs Preservative-free wine

How preservative-free wine is made

Sulphur dioxide does two jobs in winemaking. It protects wine from oxidation, which causes browning and flat flavours, and it keeps unwanted microbes in check. Take it away and the winemaker has to work harder and cleaner to get the same stability.

Preservative-free winemaking usually relies on:

• Spotless hygiene in the winery, so there is nothing for spoilage organisms to feed on.

• High-quality, healthy fruit picked at the right moment.

• Careful handling, with minimal oxygen exposure, cool temperatures and quicker bottling.

• Faster turnover, because these wines are made to be enjoyed young and fresh rather than cellared for decades.

It is a more hands-on, lower-intervention approach, which is why preservative-free wines so often come from organic and biodynamic producers. Australian and New Zealand wineries such as Temple Bruer, Macaw Creek, Tamburlaine and The Hero have built their reputations on exactly this kind of careful, clean winemaking. You will find all of them in our preservative-free wine range.

Does preservative-free wine prevent headaches?

This is the number-one reason people go looking for preservative-free wine, so let us be honest about it.

For most people, sulphites are not the cause of wine headaches. Genuine sulphite sensitivity is uncommon, and it usually shows up as asthma-like symptoms rather than headaches. As Healthline notes, only around 1% of people are sensitive to sulphites, and the more likely culprits behind a sore head are alcohol itself, which is dehydrating, along with histamines, tannins and simply how much you drank.

That said, plenty of drinkers report that they personally feel better on preservative-free wine. If a cleaner, lower-additive style helps you enjoy a glass more comfortably, that is a perfectly good reason to choose it. Just do not expect a preservative-free label to be a guaranteed hangover cure. Drink water, pace yourself, and choose well-made wine.

If you have a diagnosed sulphite allergy, talk to your doctor before drinking, as naturally occurring sulphites may still be present.

How to store preservative-free wine, and how long it lasts

Because there is nothing extra guarding against oxygen, preservative-free wines are a little more delicate than conventional ones. A few simple habits keep them at their best:

• Drink them young. These wines are made for freshness, not long cellaring.

• Store them cool and dark. Heat and light are the enemies of any low-additive wine.

• Finish them sooner once opened. Re-seal, refrigerate, and aim to enjoy an opened bottle within a day or two rather than a week.

Treat a preservative-free bottle a bit like fresh produce. It is at its most delicious when you enjoy it promptly.

Preservative-free reds, whites and sparkling at Just Wines

The good news is you no longer have to compromise on flavour to go preservative-free. The range has come a long way, with bright, characterful wines across every style:

• Preservative-free reds. Shiraz, cabernet, pinot noir, grenache and blends from producers like Temple Bruer, Macaw Creek and Mercer.

• Preservative-free whites. Crisp sauvignon blanc, chardonnay and pinot gris, including organic options from Tamburlaine.

• Rosé and lighter styles. Fresh, easy-drinking and food-friendly.

Many of these are also certified organic and vegan-friendly, so they tick several boxes at once. If you are cutting back on alcohol too, it is worth browsing our zero-alcohol wines alongside the preservative-free range.

Frequently asked questions

1. Is organic wine preservative-free?

Not necessarily. Organic describes how the grapes are grown, while preservative-free means no sulphites were added. Many organic wines are also preservative-free, but always check the label to be sure.

2. How long does preservative-free wine keep?

Unopened and stored cool and dark, most preservative-free wines are best enjoyed within a year or two of release. Once opened, re-seal, refrigerate and finish within a day or two for peak freshness.

3. Does preservative-free wine taste different?

Not in a bad way. Flavour comes down to grape quality and winemaking, not the absence of preservatives. Well-made preservative-free wines are often vibrant and fresh, with plenty of varietal character.

4. Can people with a sulphite allergy drink preservative-free wine?

Preservative-free wine is a sensible choice for those sensitive to added sulphites, but naturally occurring sulphites may still be present. If you have a diagnosed sulphite allergy, check with your doctor first.

5. Is preservative-free wine vegan and organic?

Often, yes. Many preservative-free wines are also certified organic and vegan-friendly, but it varies by producer. Product pages and labels will tell you exactly what each bottle is.

The bottom line

Preservative-free wine is simply wine made without added sulphur dioxide. It is a cleaner, more natural style that has grown from a niche into a genuinely excellent category. It will not magically banish hangovers, but for anyone who wants fewer additives and bright, honest flavour, there has never been a better time to make the switch.

Ready to taste the difference? Explore the Just Wines preservative-free collection and find your new favourite bottle.