Ingredient review
Butterbur Leaf Extract
INCI: PETASITES VULGARIS LEAF EXTRACT
Butterbur leaf extract may help calm irritated skin and fight free radicals, but research on topical use is still limited.
In plain English
Butterbur leaf extract comes from a plant called butterbur. In skincare, it's used to help soothe redness and protect skin from damage caused by things like pollution and sun exposure. Think of it as a gentle helper for sensitive or stressed skin, though it's not as well-studied as some other plant extracts.
Review score
Safety, usefulness, and evidence
Potentially useful with some tradeoffs
The evidence base is still emerging, so marketing claims deserve extra caution.
Risk flags are low for most users, though the finished product can still irritate.
- Source
- natural
- Evidence
- emerging
- Irritation
- low
- Clogging risk
- low
Quick decision guide
Useful, but context matters
Butterbur Leaf Extract is generally a lower-concern ingredient when the full formula suits your skin.
Plain-English read
Treat this as a practical screening step before you compare products that contain this ingredient.
- Step 1Start with the score, then check the irritation and clogging risk before judging Butterbur Leaf Extract.
- Step 2Use the "Best for" and "Use caution if" sections to match the ingredient to your skin, not just to a marketing claim.
- 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
lowLess likely to sting, burn, or bother most users, though sensitive skin can still react.
Clogging risk
lowLess likely to feel heavy or contribute to clogged pores for most skin types.
Evidence level
emergingThe ingredient may be promising, but claims should be treated more cautiously.
What it is
Butterbur leaf extract is a natural ingredient derived from the leaves of the Petasites vulgaris plant, a perennial herb native to Europe and parts of Asia. It contains compounds like petasin and isopetasin, which are believed to have anti-inflammatory and antioxidant effects.
How it works
In a cosmetic product, butterbur leaf extract works by providing antioxidant compounds that can neutralize free radicals, potentially reducing oxidative stress on the skin. Its anti-inflammatory properties may help calm irritation and redness, making it useful in formulations aimed at sensitive or reactive skin.
Pros
Calming potential
Butterbur leaf extract may help reduce visible redness and soothe skin irritation, making it a good option for sensitive skin types.
Antioxidant support
It provides antioxidant compounds that can help protect skin from damage caused by free radicals, such as pollution and UV exposure.
Cons and cautions
Limited topical research
Most studies on butterbur focus on oral supplements for allergies, not topical skincare. The evidence for its effectiveness on skin is still emerging.
Quality variability
Not all butterbur extracts are processed to remove potentially harmful pyrrolizidine alkaloids (PAs). Look for products that specify PA-free extraction for safety.
Best for
- People with sensitive or easily irritated skin
- Those looking for a natural antioxidant to add to their routine
Use caution if
- Anyone with a known allergy to plants in the Asteraceae family (e.g., ragweed, daisies, marigolds)
Usage tips
Safety summary
Butterbur leaf extract is considered safe for topical use in cosmetics when processed to remove pyrrolizidine alkaloids (PAs). The main safety concern is the potential presence of PAs, which are toxic if ingested. For skincare, PA-free extracts are standard, and irritation or allergy is rare but possible in sensitive individuals.
Research notes
Research on butterbur's topical benefits is limited. Most studies focus on oral use for migraine and allergy relief, where it shows anti-inflammatory effects. A few in vitro studies suggest antioxidant and anti-inflammatory activity relevant to skin, but human clinical trials on topical application are lacking.
Common label clues
- Typical concentration
- 0.1% to 2% in leave-on products
- Regulatory status
- In the US, butterbur leaf extract is generally recognized as safe for cosmetic use when free of pyrrolizidine alkaloids. The EU CosIng database lists it as a permitted ingredient. Always choose products from reputable brands that ensure PA-free processing.
- Common uses
- Soothing serums, Calming moisturizers, Anti-redness treatments
- Environmental note
- Butterbur is a hardy perennial that can be sustainably cultivated, but wild harvesting should be avoided to protect natural populations.
Good to know
- Butterbur is sometimes called 'bog rhubarb' or 'sweet coltsfoot'.
- The plant has a long history of use in traditional medicine for migraines and allergies, but topical skincare use is a newer application.
Common questions
What is Butterbur Leaf Extract in beauty products?
Butterbur leaf extract comes from a plant called butterbur. In skincare, it's used to help soothe redness and protect skin from damage caused by things like pollution and sun exposure. Think of it as a gentle helper for sensitive or stressed skin, though it's not as well-studied as some other plant extracts.
What does Butterbur Leaf Extract do in a beauty product?
In a cosmetic product, butterbur leaf extract works by providing antioxidant compounds that can neutralize free radicals, potentially reducing oxidative stress on the skin. Its anti-inflammatory properties may help calm irritation and redness, making it useful in formulations aimed at sensitive or reactive skin.
Is Butterbur Leaf Extract safe for most people?
Butterbur leaf extract is considered safe for topical use in cosmetics when processed to remove pyrrolizidine alkaloids (PAs). The main safety concern is the potential presence of PAs, which are toxic if ingested. For skincare, PA-free extracts are standard, and irritation or allergy is rare but possible in sensitive individuals.
Who should be careful with Butterbur Leaf Extract?
Anyone with a known allergy to plants in the Asteraceae family (e.g., ragweed, daisies, marigolds)
Research sources
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.