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Centaurea Cyanus Flower Extract

INCI: CENTAUREA CYANUS FLOWER EXTRACT

Reviewed by Daisy · Last updated 14 Aug 2026

A flower extract with antioxidant properties, traditionally used to condition and tone the skin

Best For Skin Types

All, Oily, Combination

Addresses

Oil control, Pore minimising, Environmental damage

Usage Frequency

Daily

What Is Centaurea Cyanus Flower Extract?

Centaurea cyanus flower extract is derived from cornflower petals, a botanical ingredient with a long history in skincare. The extract contains polyphenols and other plant compounds that contribute to its antioxidant profile, which helps protect skin from environmental stressors.

In formulations, this ingredient functions as both an astringent and skin conditioner. As an astringent, it may help temporarily tighten the appearance of pores and reduce oiliness, whilst its conditioning properties support skin hydration and suppleness.

How It Works

The antioxidant compounds in cornflower extract work by neutralising free radicals—unstable molecules that form when skin is exposed to UV radiation, pollution, and other environmental factors. By scavenging these free radicals, polyphenols help reduce oxidative stress in skin cells, which may slow visible signs of ageing and support the skin's natural repair processes.

The astringent properties are thought to derive from the tannins present in the flower, which interact with skin proteins to create a tightening sensation. This action may temporarily reduce oil production and refine pore appearance, though the effect is generally mild and temporary.

Clinical Evidence & References

Research into cornflower extract's cytoprotective effects shows promise. In vitro studies suggest that polyphenols from cornflower and similar edible flower extracts can boost antioxidant activity and provide protective effects in skin cells exposed to UV damage, particularly when combined with other ingredients such as snail mucus.

However, evidence specific to cornflower extract alone in finished skincare products is limited. Most available data comes from isolated extract studies or combination formulations rather than consumer-use clinical trials. The ingredient is well-established in traditional skincare use, but more robust evidence would help clarify its efficacy in typical product concentrations.

How to Use

Centaurea cyanus flower extract is typically found in toners, essences, and lightweight serums where its astringent and antioxidant properties can be easily absorbed. It works well as part of a broader antioxidant routine and can be layered with other actives, though as with any new ingredient, introduce it gradually to monitor how your skin responds. It is generally compatible with both morning and evening routines.

Safety & Precautions

Centaurea cyanus flower extract is generally well-tolerated and has a long history of use in skincare. Those with known allergies to plants in the Asteraceae family (ragweed, chrysanthemum, daisy) should exercise caution, as cross-reactivity is possible.

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Part of a family

Centaurea Cyanus Flower Extract is a variant of Centaurea Cyanus Flower Water, the form you will most often see on an ingredients list.

A delicate floral water traditionally used to soothe and condition the skin

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