Cochlearia Officinalis Leaf Extract: What Is It, Cosmetic Uses, Benefits & Side Effects

Curious about this ingredient? In this article we're explaining exactly what it is and why it's used within cosmetic formulations.
Updated on: June 24, 2025
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All information on this page is verified using publicly available nomenclature standards and reference materials from The Personal Care Products Council (PCPC) and the European Commission's CosIng database. Our analyses are based on technical data from these sources to ensure accuracy and reliability.

What Is Cochlearia Officinalis Leaf Extract?

Cochlearia Officinalis Leaf Extract is a plant-based ingredient derived from the leaves of scurvy grass, a hardy herb that grows in coastal areas of northern Europe. The leaves are rich in vitamin C, sulfur-containing compounds and natural antioxidants that help the plant survive harsh, salty winds. Historically sailors ate scurvy grass to ward off vitamin C deficiency, which gave the plant its common name. Interest in its protective qualities eventually moved from folk remedies into modern skincare.

To make the extract, freshly harvested leaves are cleaned, crushed and soaked in a safe solvent such as water or a mix of water and glycerin. The liquid is then filtered, leaving behind a concentrated solution packed with the plant’s beneficial molecules. After standard quality checks the extract is blended into cosmetic formulas.

You will most often find Cochlearia Officinalis Leaf Extract in moisturizers, refreshing face mists, anti-aging serums, soothing masks and after-sun gels where a calming and conditioning boost is desired.

Cochlearia Officinalis Leaf Extract’s Cosmetic Benefits/Uses

The main role of this ingredient is skin conditioning, meaning it helps keep skin soft, smooth and healthy-looking. Its natural antioxidants can support the skin’s barrier, the sulfur compounds may gently purify and the vitamin C content offers a mild brightening touch. When added to a formula the extract works to improve overall skin feel, leaving the complexion refreshed and comfortable.

Who Can Use Cochlearia Officinalis Leaf Extract

This gentle botanical suits most skin types, including dry, normal, combination and oily. Its lightweight, water based nature means it rarely feels heavy or greasy, making it comfortable even for breakout prone skin. Those with very sensitive or compromised skin should still check the rest of the formula for potential irritants, but the extract itself is considered mild.

Because it comes from a plant and no animal derived processing aids are needed, products featuring Cochlearia Officinalis Leaf Extract are generally suitable for vegans and vegetarians. Always look for a cruelty free or vegan certification on the final product if that is important to you.

No specific warnings exist for pregnant or breastfeeding women when the extract is used topically in cosmetic amounts. That said this is not medical advice and anyone who is pregnant or nursing should run all skincare choices past a qualified health professional to be safe.

The ingredient does not cause photosensitivity, so daytime use is fine. Standard sun protection practices still apply as they would with any routine.

Potential Side Effects/Adverse Reactions

Reactions to topical Cochlearia Officinalis Leaf Extract vary from person to person. The effects listed below are possible but uncommon assuming the product has been formulated correctly and is used as directed.

  • Mild skin irritation such as redness or stinging
  • Itchiness or a light burning sensation on very sensitive skin
  • Allergic contact dermatitis in individuals allergic to plants in the Brassicaceae family
  • Rare cross sensitivity if used alongside high concentrations of other sulfur rich ingredients

If any discomfort or unusual reaction develops stop using the product and consult a healthcare professional if symptoms persist.

Comedogenic Rating

Rating: 0 / 5

Cochlearia Officinalis Leaf Extract is water based and contains no heavy oils or waxes that could clog pores. Its molecules are mostly small antioxidants and minerals that rinse away easily, so buildup inside pores is unlikely. Because of this the extract is considered non-comedogenic.

Suitable for acne-prone and breakout-prone skin.

Formulas that pair the extract with richer emollients could change the overall pore-clogging risk, so always look at the full ingredient list.

Summary

Cochlearia Officinalis Leaf Extract conditions skin by delivering gentle antioxidants, mild vitamin C and sulfur compounds that help keep the surface smooth and comfortable. It is not a spotlight ingredient in mainstream beauty yet but small-batch and natural-leaning brands use it for its soothing touch and fresh backstory.

Topical use is regarded as safe for most people with very few reported issues. Still every skin is unique so patch testing a new product that contains this extract is the simplest way to confirm personal tolerance.

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