Ailanthus Altissima Bark Extract: What Is It, Cosmetic Uses, Benefits & Side Effects

Curious about this ingredient? In this article we're explaining exactly what it is and why it's used within cosmetic formulations.
Updated on: June 23, 2025
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All information on this page is verified using publicly available nomenclature standards and reference materials from The Personal Care Products Council (PCPC) and the European Commission's CosIng database. Our analyses are based on technical data from these sources to ensure accuracy and reliability.

What Is Ailanthus Altissima Bark Extract?

Ailanthus Altissima Bark Extract comes from the bark of the tree of heaven, a hardy deciduous tree native to China that now grows worldwide. The bark contains natural compounds such as quassinoids, flavonoids and saponins which are valued for their soothing feel on skin. Traditional healers have used the tree for centuries to calm irritated skin; modern formulators picked up on this folk use in the last few decades when gentle plant-based ingredients became popular.

To make the extract, the bark is harvested, dried, then milled into a fine powder. The powder is soaked in water or a mix of water and plant-safe solvents to pull out the skin-friendly components. After steeping, the liquid is filtered and concentrated, creating a clear to light brown fluid that blends well with other cosmetic ingredients.

You will often see Ailanthus Altissima Bark Extract in daily moisturizers, soothing serums, calming masks, after-shave balms and lightweight lotions aimed at keeping skin smooth and comfortable.

Ailanthus Altissima Bark Extract’s Cosmetic Benefits/Uses

This botanical ingredient is mainly valued for one key role:

Skin conditioning: It helps soften and smooth the skin surface, supports a healthy moisture balance and lends a calm, comfortable feel after application.

Who Can Use Ailanthus Altissima Bark Extract

Ailanthus Altissima Bark Extract is generally well tolerated by most skin types, including dry, normal, combination and oily. Its gentle conditioning nature makes it a good fit for sensitive skin as well, provided the overall formula is free of common irritants. There are no specific traits in the extract that would make it unsuitable for particular skin types, but those with a known allergy to the Simarubaceae plant family should avoid it.

The ingredient is plant derived and processed without animal by-products, so it is considered suitable for both vegans and vegetarians.

Pregnant or breastfeeding individuals can typically use products containing Ailanthus Altissima Bark Extract, yet this is not medical advice. Hormonal changes can make skin more reactive, so it is wise to discuss any new skincare product with a healthcare professional before use.

The extract does not increase photosensitivity, and it can be worn during daytime without heightening the risk of sunburn. As always, daily sunscreen is still recommended to protect skin from UV damage.

Potential Side Effects/Adverse Reactions

Reactions to topical Ailanthus Altissima Bark Extract differ from person to person. The following are possible but uncommon effects when the ingredient is incorporated correctly into a finished product.

  • Redness or mild irritation
  • Itching or tingling sensation
  • Allergic contact dermatitis in individuals sensitive to related plant compounds
  • Rare localized swelling

If you notice any of these effects, discontinue use and seek guidance from a medical professional.

Comedogenic Rating

Rating: 0–1 (very low)

Ailanthus Altissima Bark Extract is water based and light, with no heavy oils or waxes that normally block pores. The main compounds are small plant molecules that sit on the surface then rinse or wear away without forming a film. Because of this, it is unlikely to clog follicles, so most people with acne prone or breakout prone skin can use it without extra worry.

Formulas vary, so if the extract is blended with richer butters or comedogenic oils the finished product might still trigger bumps. Always check the full ingredient list if congestion is a concern.

Summary

Ailanthus Altissima Bark Extract is chiefly a skin-conditioning botanical. Its natural quassinoids, flavonoids and saponins help soften skin, support moisture balance and leave a calm comfortable feel. The ingredient is gentle, vegan friendly and sits in the low-risk category for irritation or pore blockage.

It is not a headline star like hyaluronic acid or niacinamide, yet formulators looking for mild plant actives keep it in their tool kit. You will mainly spot it in niche soothing serums, lightweight lotions and after-shave products.

Overall it is considered safe for daily use, with only rare reports of sensitivity in people allergic to the Simarubaceae family. As with any new cosmetic ingredient, a quick patch test on a small area is wise before applying it more broadly.

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