PERSEA THUNBERGII LEAF/ROOT/STEM EXTRACT

INCI: PERSEA THUNBERGII LEAF/ROOT/STEM EXTRACT | Function: Antioxidant, Skin Conditioning | Type: Plant Extract

What Is PERSEA THUNBERGII LEAF/ROOT/STEM EXTRACT?

Persea Thunbergii Leaf/Root/Stem Extract (红楠提取物) 是从樟科红楠 (Persea thunbergii, syn. Machilus thunbergii) 的叶、根和茎中提取的复合植物提取物。红楠在东亚传统医学中用于治疗炎症和肿胀。提取物含有木脂素 (lignans)、黄酮类 (flavonoids) 和单宁 (tannins)，具有抗氧化和抗炎活性。日韩护肤品将其用于抗衰老和舒缓型产品中。

Key Skin Benefits

+ Traditional Medicine Heritage — 东亚传统药用植物
+ Multi-part Extraction — 叶+根+茎提供全方位活性成分
+ Anti-inflammatory Activity — 木脂素和黄酮具有抗炎潜力

Pros

+ Traditional East Asian medicinal plant with documented ethnopharmacology
+ Multi-part extract (leaf + root + stem) provides diverse phytochemicals
+ Potential lignan and flavonoid content for antioxidant protection

Cons

− Very limited cosmetic-specific clinical research
− Limited English-language studies — primarily Korean/Japanese journals
− Niche supplier availability outside East Asia
− Quality standardization across different plant parts is challenging

Specifications

Property	Value
Usage Areas	Face, Body
Product Type	Leave-On, Rinse-Off
Source	Plant
Natural Level	Natural

Safety Ratings

Metric	Rating
Skin Sensitivity	1/5
Comedogenic Rating	0/5
EWG Score	1/10

Regional Regulatory Limits

Region	Leave-on %	Rinse-off %	Status
EU (CosIng)	No limit	No limit	Allowed
US (CIR/FDA)	No limit	No limit	Allowed
Japan (MHLW)	No limit	No limit	Allowed
ASEAN	No limit	No limit	Allowed
China (NMPA)	No limit	No limit	Allowed

Typical Usage % by Product Type

Product Type	Typical %
Anti-aging Serums (K/J-Beauty)	0.5–3%
Soothing Creams	0.5–2%
Herbal Toners	1–5%

References

CosIng Database — Persea Thunbergii Leaf/Root/Stem Extract. https://ec.europa.eu/growth/tools-databases/cosing/
Kim SS et al. (2011) — Machilus thunbergii antioxidant activity. PMID: 21726872
EWG Skin Deep. https://www.ewg.org/skindeep/

← Back to Skinpedia