Kakadu Plum Benefits for Skin: Is it Worth Adding to Your Skincare Routine?

It’s not every day that a remarkable fruit growing in our own Australian backyard captures the attention of the global skincare industry. So, when it does, it’s worth taking a closer look at. 

Small in size, but rich in naturally-occurring nutrients, kakadu plum has become one of Australia’s best-kept secrets for skin radiance. Containing exceptionally high vitamin C content — reported to be significantly greater than that of an orange — and multi-antioxidant compounds, it’s no wonder this small green fruit has started appearing in everything from serums and moisturisers to masks and supplements. 

But what are the potential kakadu plum benefits for skin…and is it worth adding to your skincare line up? Let’s explore what the research tells us, why vitamin C and antioxidants matter, and how kakadu plum may fit into a simple, considered skincare routine.

Often referred to as billygoat plum and green plum, Kakadu plum — scientifically known as Terminalia Ferdinandiana — is a superfood native to Northern Australia.

Kakadu plum bears a small green fruit and has distinct large round leaves and cream-coloured flowers. Indigenous Australians have used the plant, particularly the fruit, for centuries for nutritional, medicinal, and cultural purposes, including using the bark to treat mosquito bites and the sap as a timber stain.

While its traditional uses extend well beyond skincare, growing interest in the kakadu plum benefits for skin has helped bring this native Australian fruit to a much wider audience. In recent years, kakadu plum has become an increasingly popular ingredient in skincare products and supplements. Wondering why? Let us explain.

Kakadu plum’s popularity in skincare comes down to these two compounds: vitamin C and antioxidants. Together, these naturally occurring compounds are behind many of the potential kakadu plum benefits for skin.

• Clinical research has found that kakadu plum is naturally rich in vitamin C. However, studies show concentrations can vary significantly from fruit to fruit, which may be influenced by growing location, how the fruit is processed, and fruit maturity.  In fact, one study into the bioactive properties of kakadu plum-blended products found kakadu plum fruit contained 2300-3150mg of ascorbic acid per 100g of fresh fruit weight. This equates to 2.3-3.1%. Another study on the dry weight reported 14% concentration. What does this tell us? Despite the lack of consistency across fruits, the ascorbic acid (i..e, vitamin c) content is high! 

• Kakadu plum is also rich in multiple antioxidant compounds, particularly ellagic acid, ellagitannins, and additional polyphenols.

Now that we understand where kakadu plum’s appeal in skincare comes from, let’s unpack exactly why antioxidants and vitamin C matter to skin health:

• Antioxidants and Vitamin C help neutralise free radicals, thus minimising ongoing skin damage.

• Vitamin C supports collagen production: collagen is an important protein that helps us retain our youthfulness (it’s the very thing that gives your skin structure, firmness, and elasticity). Vitamin C is needed to produce collagen, helping support this function.

• Vitamin C helps correct uneven skin tone: melanin — the pigment that gives your skin its colour — can distribute unevenly (for several reasons), resulting in uneven patches of skin and dark spots. Vitamin C can help inhibit melanin by slowing down the primary enzyme, tyrosinase. With consistent use, this can give you a more radiant and even complexion. 

While vitamin C is one of skincare’s most familiar (and popular) ingredients, the term “antioxidants” can feel a little less straightforward. If you’ve heard the term many times but aren’t completely sure what it means or what they do, let us explain it simply: antioxidants help protect the skin from the effects of everyday environmental stressors… and for those of us living in Australia, protection is incredibly vital. 

Australia may be known for its warm summers and iconic beach weather, but our outdoor lifestyle also comes with exceptionally high levels of UV exposure (some of the highest in the world). 

These environmental stressors can produce something known as free radicals, unstable molecules that react with healthy cells and damage collagen, DNA, and skin lipids. This particular process is known as oxidative stress. With time, oxidative stress can cause a range of unwanted skin conditions and concerns, including:

• Premature fine lines and wrinkles

• Loss of skin elasticity and firmness

• Uneven pigmentation

• Skin DNA damage

• Inflammation

So, what does all of this have to do with antioxidants? Antioxidants help counteract free radicals, reducing the damage they cause to your skin. This additional antioxidant support is one of the most relevant kakadu plum benefits for skin, particularly for people regularly exposed to UV radiation and other environmental stressors.Your best line of defence will always be sunscreen though, so please keep that in mind!

By now, it’s clear why kakadu plum has caught the skincare world’s attention. (Psst…if you skipped ahead, its naturally high vitamin C content and antioxidant compounds are largely responsible.) But who might benefit from adding it to their routine?

When included in a thoughtfully formulated product, kakadu plum may be particularly appealing to those wanting to revive dull-looking skin, promote a brighter complexion or support a more even-looking skin tone. It may also provide additional antioxidant support against the effects of everyday environmental stressors. 

A note on concentration: despite kakadu plum being naturally abundant in vitamin C, this doesn’t necessarily make it more potent than a pure vitamin C serum. As such, kakadu plum benefits for skin, depending on the formula, is that it can be gentler and better tolerated by more skin types. Some synthetic vitamin C serums can be relatively strong, thus may not be suitable for all skin types, or may require a more considered and slower adoption process. As the vitamin C found in kakadu plum comes from a whole plant extract, it’s being delivered alongside other ingredients (like phytonutrients), which may be more gentle on the skin.

Because kakadu plum can be formulated into most skincare products, there is no ‘one set rule’ for how to add this to your skincare routine. Most commonly, you may find it in serums, moisturisers, or masks. As such, here are a few general suggestions for adding it to your skincare routine:

1. Choose a brand you can trust: Look for products developed with credible expertise and a clear, considered approach. As a doctor-owned and led brand, every Dr Tanya product is guided by more than 20 years of medical experience. 

2. Patch test it: If you’re trying a new product or ingredient, always apply some to a small area of your skin to assess if your skin will tolerate it. If you notice redness, itching, or swelling, it may not be suited to your skin.

3. Introduce it slowly: you owe it to your skin to ease into any new skincare protocol. Start slowly — two to three times per week — and pay attention to how your skin looks and feels. Also understand that skincare can take time to show results, so be patient with the process.

4. Know how to order your products: If you’re a skincare newbie, take time to understand the basics, including the order in which you should apply your skincare products. And always follow the instructions on the label. For example, use a kakadu plum serum after cleansing and before moisturiser.

5. Be intentional about when you use your kakadu plum products: Products rich in Vitamin C and antioxidants work best in your AM skincare routine (especially before sunscreen) to help counteract free radical damage.

6. Don’t introduce any new product simultaneously: If you do a complete skincare overhaul, it’s hard to pinpoint which products are working well and which might need culling. Introduce your kakadu plum product slowly, assess how your skin feels, and adjust the rest of your skincare over time as needed.

The potential kakadu plum benefits for skin are largely connected to the fruit’s naturally high vitamin C content and diverse antioxidant compounds. When included in a well-formulated product, kakadu plum may help support brighter, more even-looking skin while strengthening antioxidant defence against everyday environmental stressors. This last point along can have huge benefits to skin regularly exposed to high UV, especially when paired with SPF50+.

However, the ingredient alone does not determine how well a product will work. Its concentration, formula, stability and the other ingredients used alongside it all matter. That’s why it’s important to choose thoughtfully formulated skincare from credible brands, introduce new products gradually, and pay attention to how your skin responds.

So, to answer your question: Is kakadu plum skincare worth investing in? If it’s well formulated, your skin tolerates it, and it offers a solution to some of your biggest skin concerns (like skin dullness, uneven skin tone, and environmental skin damage), we think this ingredient has extremely undervalued benefits and is worth exploring. As always, we recommend consulting your skincare professional, and always pairing it with a broad-spectrum SPF50+.