Ingredient review

Ailanthus Altissima Bark/Root Extract

INCI: AILANTHUS ALTISSIMA BARK/ROOT EXTRACT

A plant extract with traditional astringent use, but limited modern research and potential for skin irritation.

beautyskincarebotanical extract

In plain English

Ailanthus altissima, also called the Tree of Heaven, is a fast-growing tree native to China. In skincare, an extract from its bark and roots is sometimes used for its astringent properties, meaning it can help tighten skin and reduce oiliness. However, the plant also contains compounds that may cause irritation in some people, and there isn't much high-quality research on its benefits for skin. It's not a common ingredient in mainstream products.

Quick decision guide

Useful, but context matters

Ailanthus Altissima Bark/Root Extract can be useful, but watch for some irritation potential.

Plain-English read

Treat this as a practical screening step before you compare products that contain this ingredient.

  1. Step 1Start with the score, then check the irritation and clogging risk before judging Ailanthus Altissima Bark/Root Extract.
  2. Step 2Use the "Best for" and "Use caution if" sections to match the ingredient to your skin, not just to a marketing claim.
  3. Step 3If a product stings, breaks you out, or worsens irritation, judge the finished formula and stop using it even if the ingredient scores well.

Score terms in plain English

Irritation risk

moderate

Can bother some users, especially with frequent use, damaged skin, or strong companion ingredients.

Clogging risk

low

Less likely to feel heavy or contribute to clogged pores for most skin types.

Evidence level

emerging

The ingredient may be promising, but claims should be treated more cautiously.

What it is

A botanical extract derived from the bark and roots of Ailanthus altissima, a tree known for its invasive growth and traditional medicinal uses.

How it works

The extract contains tannins and other compounds that can bind to proteins in the skin, creating a tightening or astringent effect. It may also have mild antimicrobial properties, which is why it's sometimes included in products targeting oily or acne-prone skin.

Pros

Natural astringent

Can help temporarily tighten skin and reduce the appearance of pores, which may be appealing for oily skin types.

Traditional use

Has a history of use in traditional medicine, which may appeal to those seeking natural or plant-based skincare ingredients.

Cons and cautions

Irritation risk

Contains compounds that can cause redness, stinging, or allergic reactions, especially for those with sensitive skin.

Limited research

There are very few modern, peer-reviewed studies on its effectiveness or safety specifically for cosmetic use on skin.

Best for

  • People with oily or combination skin looking for a natural astringent
  • Those interested in traditional botanical ingredients

Use caution if

  • Individuals with sensitive or easily irritated skin
  • Anyone with a known allergy to plants in the Simaroubaceae family

Usage tips

If you try a product with this extract, do a patch test on your inner arm before applying to your face.
Start with a low-concentration product and use it only once a day to see how your skin reacts.

Safety summary

There is limited safety data for this extract in cosmetics. It may cause skin irritation in some individuals, and its use is not recommended for sensitive skin. Always patch test before use.

Research notes

Most available information comes from traditional medicine or preliminary lab studies. There are no robust clinical trials on its efficacy or safety in cosmetic formulations.

Common label clues

Typical concentration
Typically used at 0.5% to 2% in leave-on products
Regulatory status
Generally permitted as a cosmetic ingredient in the US and EU, but not specifically evaluated by the FDA or SCCS for safety in cosmetics.
Common uses
Toners, Serums, Acne treatments
Environmental note
Ailanthus altissima is an invasive tree in many regions, so wild harvesting could contribute to its spread. Sustainable cultivation is not common.

Good to know

  • Ailanthus altissima is considered an invasive species in many parts of the world, so sourcing may raise environmental concerns.
  • The extract is sometimes used in traditional Chinese medicine, but cosmetic use is not the same as medicinal use.

Common questions

What is Ailanthus Altissima Bark/Root Extract in beauty products?

Ailanthus altissima, also called the Tree of Heaven, is a fast-growing tree native to China. In skincare, an extract from its bark and roots is sometimes used for its astringent properties, meaning it can help tighten skin and reduce oiliness. However, the plant also contains compounds that may cause irritation in some people, and there isn't much high-quality research on its benefits for skin. It's not a common ingredient in mainstream products.

What does Ailanthus Altissima Bark/Root Extract do in a beauty product?

The extract contains tannins and other compounds that can bind to proteins in the skin, creating a tightening or astringent effect. It may also have mild antimicrobial properties, which is why it's sometimes included in products targeting oily or acne-prone skin.

Is Ailanthus Altissima Bark/Root Extract safe for most people?

There is limited safety data for this extract in cosmetics. It may cause skin irritation in some individuals, and its use is not recommended for sensitive skin. Always patch test before use.

Who should be careful with Ailanthus Altissima Bark/Root Extract?

Individuals with sensitive or easily irritated skin Anyone with a known allergy to plants in the Simaroubaceae family

Research sources

PubMed - Antimicrobial activity of Ailanthus altissimaOpenCosIng - European Commission ingredient databaseOpen

Ingredient reviews are educational and are not medical advice. Patch test new products and ask a licensed clinician about persistent irritation, allergies, pregnancy-specific questions, or diagnosed skin conditions.