Ingredient review
Leucosidea Sericea Leaf Extract
INCI: Leucosidea Sericea Leaf Extract
A gentle plant extract with antioxidant potential, but research is still early and benefits are not yet proven in human skin.
In plain English
Leucosidea sericea leaf extract comes from a shrub native to southern Africa. In skincare, it's used mainly for its antioxidant activity, meaning it may help protect skin from damage caused by environmental stressors like pollution and UV rays. It also has soothing properties, which can calm irritated skin. However, most of the evidence comes from lab studies, not large human trials, so its effects are promising but not guaranteed.
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
Leucosidea Sericea 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 Leucosidea Sericea 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
Leucosidea sericea leaf extract is a natural ingredient derived from the leaves of the Leucosidea sericea plant, also known as oldwood. It contains compounds like flavonoids and tannins that give it antioxidant and anti-inflammatory properties.
How it works
The extract works by donating electrons to neutralize free radicals, unstable molecules that can damage skin cells and accelerate aging. Its tannins may also help reduce inflammation by calming the skin's immune response, making it useful for sensitive or irritated skin.
Pros
Antioxidant support
Helps neutralize free radicals that can lead to premature aging and dullness, offering a layer of protection for your skin.
Soothing potential
May calm minor skin irritation and redness, making it a good addition to gentle formulations for reactive skin.
Cons and cautions
Limited research
Most evidence comes from lab studies; there are few human trials confirming its effectiveness on skin over time.
Uncommon ingredient
Not widely used in mainstream products, so finding it in formulations can be hit-or-miss, and its benefits may vary by batch.
Best for
- People with normal to sensitive skin looking for antioxidant support
- Those who prefer plant-based, natural skincare ingredients
Use caution if
- Individuals with known allergies to plants in the Rosaceae family (though rare)
Usage tips
Safety summary
Leucosidea sericea leaf extract is considered safe for topical use in cosmetics at typical concentrations. Irritation and allergy risks are low, but as with any new ingredient, a patch test is wise for sensitive individuals.
Research notes
Current research is limited to in vitro (lab) studies showing antioxidant and anti-inflammatory activity. Human clinical studies are lacking, so the ingredient's real-world benefits remain promising but unconfirmed.
Common label clues
- Typical concentration
- 0.1% to 1% in leave-on products
- Regulatory status
- Generally recognized as safe for cosmetic use in the EU and US, with no specific restrictions at typical use levels.
- Common uses
- Serums, Moisturizers, Soothing creams
- Environmental note
- The plant is not considered endangered, but sustainable wild harvesting practices are recommended to protect local ecosystems.
Good to know
- Leucosidea sericea is a shrub native to South Africa and is sometimes called 'oldwood' due to its hard, aged-looking bark.
- The extract is often used in natural and 'clean beauty' products because it is plant-derived and minimally processed.
Common questions
What is Leucosidea Sericea Leaf Extract in beauty products?
Leucosidea sericea leaf extract comes from a shrub native to southern Africa. In skincare, it's used mainly for its antioxidant activity, meaning it may help protect skin from damage caused by environmental stressors like pollution and UV rays. It also has soothing properties, which can calm irritated skin. However, most of the evidence comes from lab studies, not large human trials, so its effects are promising but not guaranteed.
What does Leucosidea Sericea Leaf Extract do in a beauty product?
The extract works by donating electrons to neutralize free radicals, unstable molecules that can damage skin cells and accelerate aging. Its tannins may also help reduce inflammation by calming the skin's immune response, making it useful for sensitive or irritated skin.
Is Leucosidea Sericea Leaf Extract safe for most people?
Leucosidea sericea leaf extract is considered safe for topical use in cosmetics at typical concentrations. Irritation and allergy risks are low, but as with any new ingredient, a patch test is wise for sensitive individuals.
Who should be careful with Leucosidea Sericea Leaf Extract?
Individuals with known allergies to plants in the Rosaceae family (though rare)
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.