Skin Conditioning

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

Redness, Sensitivity, Inflammation

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.

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

Parsley extract is generally well tolerated and suitable for most skin types, including sensitive skin. Those with known parsley sensitivity or allergy should avoid products containing this ingredient.

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Part of a family

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

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