Petroselinum Crispum Extract
INCI: PETROSELINUM CRISPUM EXTRACT
Reviewed by Emma · Last updated 14 Aug 2026
A plant extract with antioxidant and skin-conditioning properties traditionally used for inflammatory skin concerns
Best For Skin Types
All, Sensitive
Addresses
Usage Frequency
Daily
What Is Petroselinum Crispum Extract?
Petroselinum crispum extract is derived from parsley, a common culinary herb rich in polyphenols and flavonoids. These naturally occurring compounds give the extract antioxidant properties, meaning it can help neutralise free radicals that contribute to skin stress and ageing.
In skincare formulations, parsley extract functions primarily as a skin conditioner, helping to maintain skin's moisture and supporting overall skin health. It has been used in traditional medicine for various skin conditions, which has prompted modern scientific investigation into its potential benefits.
How It Works
Parsley extract contains polyphenols and flavonoids that work as antioxidants, neutralising free radicals at the skin's surface. This helps reduce oxidative stress, which is a key driver of skin inflammation and premature ageing.
The extract also appears to have anti-inflammatory properties, potentially suppressing the inflammatory signalling pathways that lead to redness and skin irritation. This dual action—antioxidant plus anti-inflammatory—makes it particularly relevant for reactive or sensitised skin types.
Clinical Evidence & References
Early research suggests parsley extract can suppress oxidative stress and inflammatory responses in skin cells cultured in laboratory settings, with promising results in animal models of atopic dermatitis-like conditions. A study assessing tolerability in a large population (937 participants) found the ingredient to be well tolerated, with 96% experiencing no adverse effects.
However, evidence in human skin remains limited. Most studies have been conducted in cell cultures or animal models rather than on human volunteers with actual skin concerns. While the traditional use and early-stage research are encouraging, more robust human trials would help clarify its real-world effectiveness for specific conditions like dermatitis or eczema.
Published Research
How to Use
Parsley extract is typically used as one ingredient within a broader skincare formula rather than as a standalone treatment. It appears in cleansers, toners, serums, and moisturisers, where it complements other active ingredients. For best results, use consistently as part of your regular routine—the conditioning and antioxidant benefits build over time rather than delivering immediate visible change.
Safety & Precautions
Frequently Asked Questions
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Petroselinum Crispum Extract is a variant of Petroselinum Crispum Leaf Extract, the form you will most often see on an ingredients list.
A herbal extract commonly used to impart a fresh, green fragrance to skincare formulations
Related Ingredients
Petroselinum Crispum Leaf Extract
A herbal extract commonly used to impart a fresh, green fragrance to skincare formulations
Petroselinum Crispum Leaf Oil
A fragrant essential oil derived from parsley leaf with potential antioxidant properties
Petroselinum Crispum Seed Oil
A fragrant seed oil with antioxidant properties from the parsley plant
Petroselinum Crispum Seed Extract
A herbal extract primarily used to add subtle fragrance and masking notes to skincare formulations
Carum Petroselinum Extract
A herbal extract with skin conditioning properties from parsley
Persea Gratissima Oil
A lightweight plant oil rich in fatty acids and antioxidant pigments
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