Peucedanum Ostruthium Leaf Extract

Also known as: Masterwort Leaf Extract

INCI: Peucedanum Ostruthium Leaf Extract | Function: Antioxidant, Skin Conditioning | Type: Plant extract (Apiaceae family)

What Is Peucedanum Ostruthium Leaf Extract?

Leaf extract from Peucedanum ostruthium (masterwort/imperatoria), an alpine plant historically used in European herbal medicine. Contains oxypeucedanin, ostruthol, and essential oils with antimicrobial and anti-inflammatory properties. Traditional use includes wound healing and skin conditions. Note: contains furanocoumarins which can cause photosensitivity.

Key Skin Benefits

Pros

Cons

Specifications

PropertyValue
Usage AreasFace, Body
Product TypeLeave-On, Rinse-Off
SourcePlant
Natural LevelNatural

Safety Ratings

MetricRating
Skin Sensitivity2/5 (moderate — furanocoumarins may photosensitize)
Comedogenic Rating0/5
EWG Score2/10

Regional Regulatory Limits

RegionLeave-on %Rinse-off %Status
EU (CosIng)No limitNo limitAllowed
US (CIR/FDA)No limitNo limitAllowed — CIR safe as used
Japan (MHLW)No limitNo limitAllowed
ASEANNo limitNo limitAllowed — follows EU
China (NMPA)No limitNo limitAllowed — listed in IECIC

Typical Usage % by Product Type

Product TypeTypical %
Serum / essence0.05–1%
Soothing cream0.1–2%

References

  1. Tada Y et al. (2002) — Coumarins from Peucedanum. PMID: 12065410
  2. Chun JM et al. (2016) — Anti-inflammatory Peucedanum japonicum. PMID: 26742645
  3. EU CosIng Database. https://ec.europa.eu/growth/tools-databases/cosing/
  4. INCIDecoder. https://incidecoder.com/
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