Ingredient review
Sophora Angustifolia Root Extract
INCI: SOPHORA ANGUSTIFOLIA ROOT EXTRACT
A gentle botanical root extract that may help calm redness and provide antioxidant protection, though human studies are limited.
In plain English
Sophora angustifolia root extract comes from a plant used in traditional Chinese medicine. In skincare, it's added to help soothe irritated skin and fight damage from environmental stressors like pollution. Think of it as a calming, protective ingredient that works gently without harsh chemicals.
Review score
Safety, usefulness, and evidence
Potentially useful with some tradeoffs
The evidence base is useful, but some claims depend heavily on the formula.
Risk flags are low for most users, though the finished product can still irritate.
- Source
- natural
- Evidence
- moderate
- Irritation
- low
- Clogging risk
- low
Quick decision guide
Useful, but context matters
Sophora Angustifolia Root 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 Sophora Angustifolia Root 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
moderateThere is useful support, but formula details and claim strength still matter.
What it is
Sophora angustifolia root extract is a natural ingredient derived from the roots of the Sophora angustifolia plant, also known as Ku Shen. It contains compounds like alkaloids and flavonoids that are believed to have anti-inflammatory and antioxidant effects.
How it works
In cosmetic products, this extract works by delivering antioxidant compounds that can neutralize free radicals—unstable molecules that damage skin cells. It also appears to calm inflammatory pathways in the skin, which may reduce visible redness and irritation. It does not exfoliate or change skin texture directly.
Pros
Gentle soothing
May calm redness and irritation without causing stinging or dryness, making it suitable for reactive skin.
Antioxidant support
Helps protect skin from free radical damage caused by UV and pollution, which can contribute to premature aging.
Cons and cautions
Limited research
Most evidence comes from lab or traditional use; there are few high-quality human studies confirming its benefits in skincare.
Mild effects
It is not a potent active ingredient, so it works best as a supporting player in a well-formulated product rather than a standalone treatment.
Best for
- People with sensitive or easily irritated skin
- Those looking for antioxidant support without harsh actives
Use caution if
- Individuals with known allergies to Sophora or related plants
- Anyone seeking strong anti-aging or brightening effects (this is mild)
Usage tips
Safety summary
Generally recognized as safe for topical cosmetic use at typical concentrations. Rare allergic reactions are possible. Avoid if allergic to legumes (Fabaceae family).
Research notes
In vitro and traditional evidence supports anti-inflammatory and antioxidant activity. Human clinical data is sparse, so efficacy claims should be viewed cautiously.
Common label clues
- Typical concentration
- 0.1% to 2%
- Regulatory status
- Approved for cosmetic use in the EU, US, and other major markets as a botanical ingredient. Not classified as a drug or active pharmaceutical.
- Common uses
- Serums, Moisturizers, Soothing creams, Eye treatments
- Environmental note
- Sourced from cultivated Sophora angustifolia plants; sustainability depends on farming practices. No known endangered status.
Good to know
- This extract is often found in formulations for sensitive or redness-prone skin.
- It is not a common irritant, but patch test if you have plant allergies.
Common questions
What is Sophora Angustifolia Root Extract in beauty products?
Sophora angustifolia root extract comes from a plant used in traditional Chinese medicine. In skincare, it's added to help soothe irritated skin and fight damage from environmental stressors like pollution. Think of it as a calming, protective ingredient that works gently without harsh chemicals.
What does Sophora Angustifolia Root Extract do in a beauty product?
In cosmetic products, this extract works by delivering antioxidant compounds that can neutralize free radicals—unstable molecules that damage skin cells. It also appears to calm inflammatory pathways in the skin, which may reduce visible redness and irritation. It does not exfoliate or change skin texture directly.
Is Sophora Angustifolia Root Extract safe for most people?
Generally recognized as safe for topical cosmetic use at typical concentrations. Rare allergic reactions are possible. Avoid if allergic to legumes (Fabaceae family).
Who should be careful with Sophora Angustifolia Root Extract?
Individuals with known allergies to Sophora or related plants Anyone seeking strong anti-aging or brightening effects (this is mild)
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.