Skin Conditioning

Peucedanum Ostruthium Leaf Extract

INCI: PEUCEDANUM OSTRUTHIUM LEAF EXTRACT

Reviewed by Kate · Last updated 14 Aug 2026

A plant extract traditionally used to support skin soothing and condition

Best For Skin Types

All, Sensitive, Dry

Addresses

Barrier repair, Redness, Sensitivity

Usage Frequency

Daily

What Is Peucedanum Ostruthium Leaf Extract?

Peucedanum ostruthium leaf extract is derived from the masterwort plant, a herb native to central Europe. The extract contains compounds that have been studied for their potential to support skin repair and conditioning processes.

In skincare formulations, this ingredient functions primarily as a skin conditioner, helping to maintain skin texture and support the skin's natural repair mechanisms.

How It Works

Peucedanum ostruthium contains naturally occurring compounds that appear to interact with skin repair pathways. Research indicates these compounds may support collagen deposition and tissue regeneration, though the precise mechanisms in topical skincare remain an area of ongoing study.

The ingredient works by conditioning the skin surface and supporting the skin's intrinsic healing response, rather than providing direct antimicrobial or anti-inflammatory action.

Clinical Evidence & References

Research on this ingredient is limited and primarily comes from animal studies and wound-healing models. A rat study examining a formulation containing Peucedanum ostruthium leaf extract alongside propolis showed accelerated wound closure compared to untreated controls, though human clinical data remains sparse.

Evidence in humans is currently insufficient to make definitive claims about efficacy. Further clinical trials would be needed to establish its effectiveness in cosmetic skincare applications and optimal usage concentrations.

How to Use

Peucedanum ostruthium leaf extract is typically incorporated into serums, creams, and targeted treatments. It works well alongside other skin-conditioning and repair-supporting ingredients. Use as directed by the product formulation—most commonly as part of a daily routine, either morning or evening.

Safety & Precautions

Generally well-tolerated in skincare products. Those with known plant sensitivities or allergies to Apiaceae family plants (fennel, dill, carrot) should conduct a patch test first, as cross-reactivity is possible.

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