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Aspen Bark, the All-Natural Preservative


Disclaimer: The information contained on this site is general in nature and for informational purposes. It is not meant to substitute for the advice... read more

Disclaimer: The information contained on this site is general in nature and for informational purposes. It is not meant to substitute for the advice provided by your own physician or other medical professional. None of the statements on this site are a recommendation as to how to treat any particular disease or health-related condition. If you suspect you have a disease or health-related condition of any kind, you should contact your health care professional immediately. Please read all product packaging carefully and consult with a healthcare professional before starting any diet, exercise, supplementation or medication program. Cosmetic products have not been evaluated by the Food and Drug Administration and are not intended to diagnose, treat, cure, or prevent disease. read less

You know how I’ve been saying that there are natural alternatives to yucky preservatives like parabens and ureas—chemical ingredients that have been linked with skin irritation, dermatitis, and other potentially more serious health effects?

Well here’s one of them: aspen bark extract. A natural preservative, this ingredient also has skin conditioning properties. No surprise, as when you’re dealing with natural ingredients, they often impart more than one benefit to your formula.

So much smarter than using potentially harmful chemicals, don’t you think?

What makes the Aspen tree resistant to disease also helps protect your skin care formula from contamination.

A Little Bit About the Ingredient Itself

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Aspen is actually the name of an entire tree species, which includes several varieties like the American aspen, Eurasian aspen, Japanese aspen, and Chinese aspen. The Quaking aspen, which grows widely in North America, is also called the trembling aspen, golden aspen, and mountain aspen. All these trees like cold regions with cool summers, and typically grow at high altitudes in the mountains. They do like the sun, and reach from 49­–98 feet tall.

What’s unique about these trees is that they’re considered to be the stems of one of the earth’s largest living organisms. Hundreds or even thousands of trees—which are actually clones of one another—are all joined underground by a single root network. Because of this built-in support system, they can live for thousands of years. Even if the trees die, the roots can stay alive underground for many years after. This shared root system also means that all the tree leaves turn color at the same time in the fall, creating a large brilliant display.

Internal Health Benefits of Aspen Bark

The American Indians are known to have used the bark of the aspen tree to brew a tea that would treat numerous ailments. Because the bark is rich in a substance called “salicin,” which is similar to the active ingredient in aspirin, it was used to provide pain relief and reduce fever. Aspen is also considered a digestive tonic—soothing to the tummy. It was used to treat diarrhea as well as bladder inflammation or urinary tract infections.

Aspen wood was also popular historically for making bowls and paddles, and today it’s still used to make chopsticks and playground equipment, since it is lightweight and doesn’t splinter. Shredded aspen is also used for packing and stuffing, and makes popular animal bedding.

Aspen Bark’s Benefits to the Skin

The main use of aspen bark extract in skin care is as a natural preservative. An excellent alternative to parabens, it protects your product from contamination. This helps to extend the shelf life of natural skin care products so you can use them until they’re gone.

But aspen’s benefits don’t end there. Because of it’s natural salicin content, it gives you a soothing feeling. The extract also has a conditioning property, helping to make skin smooth and soft to the touch. Finally, the ingredient has a very low irritation potential, meaning that even those with sensitive skin can use it without worry. That’s certainly something you can’t say about chemical preservatives!

Try It!

What’s also neat about aspen bark extract is that it can be extracted without harm to the tree, then isolated and applied to cosmetic products. So the question becomes, “Why aren’t more companies using preservatives like these?”

I can’t answer that question, but I can refer you to my products, several of which are protected by aspen’s preservative qualities.

Did you know that aspen bark extract makes a great natural preservative? Please share your thoughts.

* * *

Photo courtesy Aidan M. Grey via

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COMMENTS ( 11 and counting )
  1. Velda says:

    Where can Aspen bark be purchased?

    • Amy says:

      Yes Aspen Bark can be purchased by anyone online. It is considered an “active” and can be found at several websites that sell active ingredients for skin care formulations to anyone interested in doing it yourself (DIY). One such site is Lotioncrafter.

  2. Venus says:

    My Aspen Bark comes from NDA (New Directions Aromatics). They are extremely inexpensive, but now they just started a minimum $100 purchase policy. Either way, I get 99% of my supplies from them because of their quality and their prices can NOT be beat! I also believe you can get it through ‘Natural Beauty Workshop’ and possibly ‘Mountain Rose Herbs’. Just do a search for ‘Where to buy Aspen Bark Extract’, its that simple.

  3. Hi there,

    I also make my own organic products. I use potassium sorbate, which is perfectly safe and very effective against moulds and fungi, but it’s not as effective against bacteria, so I really want to try this apsen extract. I’ve been researching a lot about it, and it seeems there are a few opposing opinions about it’s effectiveness.

    –> There is this one: “it inhibits the growth of mold, yeast, e-coli, Saureas, subtilis, and other microscopic bugs. This helps to extend the shelf life of natural skin care products so you can use them until they’re gone without fear of contamination”.

    –> And then there’s this one: “Right now radish root extract and aspen bark extract are touted as all-natural anti-microbials. These extracts alone cannot work as preservatives of regular moisturizers, meaning the facial creams that contain water. In fact, no “natural” extract can. Look at fruits, vegetable, roots and herbs. They all contain water and once cut, the bacteria and other gems, get hold of them very quickly.

    So what’s your experience?

    Love, Mette

  4. margaret e. Patrick says:

    hello, can aspen bark be used as a preservative in food to prevent it from deteriorating too soon, such as the food companies use chemical preservatives? Margaret

    • Annmarie Skin Care says:

      Hi Margaret,

      We’re honestly not sure. We use it in our skin care because we know it to be safe and effective as a topical healer and preservative but we that doesn’t necessarily mean that it’s ideal for a food preservative. There are probably better (and tastier) options for preservation, we would suggest chatting with a raw food company to see how they do it!

  5. Rebecca says:

    What is the best way to harvest Trembling Aspen bark? I would like to try using it as an anti-inflammatory for my arthritis but am not sure which parts of the tree to use or how to use them.

    • Annmarie Skin Care says:

      Hi Rebecca,

      When you harvest from trees you want to be careful not to hurt it so typically you would take from the smaller branches and peel or chop the bark. I’ve never worked with Aspen bark directly, so I would suggest doing a bit of research on the best way to harvest sustainably for that specific tree.


  6. Kelly says:

    How can aspen bark be extracted without harm to the tree?

    • Annmarie Skin Care says:

      Hi there!

      Great question! Harvesting bark from the trunk of a tree can most assuredly hurt the tree, using the inner bark from new shoots and branches of the aspen tree is more work but we want to preserve the tree community! It’s a lot more like giving the tree a haircut than taking vital nutrients 🙂