Brassica Rapa 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 23, 2025
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All information on this page is verified using The Personal Care Products Council's (PCPC) INCI database. Our ingredient analyses are based exclusively on PCPC's technical data to ensure accuracy and reliability.

What Is Brassica Rapa Leaf Extract?

Brassica Rapa Leaf Extract is a plant derived ingredient obtained from the leaves of the common turnip, a member of the cabbage family. The leaves are naturally rich in vitamins A, C and K along with minerals and antioxidant flavonoids that help defend plants against environmental stress. Historically turnip greens have been eaten for their nutritional value and eventually formulators noticed that the same compounds that nourish the body could also help support healthy looking skin. To produce the cosmetic grade extract, freshly harvested leaves are cleaned, dried then soaked in a food grade solvent such as water or a water-alcohol mix. After filtration the liquid is concentrated and standardized so every batch offers a consistent profile of the beneficial molecules. You will most often see Brassica Rapa Leaf Extract in moisturizers, soothing masks, daily lotions and anti-aging serums where its nutrient content can complement other hydrating or protective ingredients.

Brassica Rapa Leaf Extract’s Cosmetic Benefits/Uses

This ingredient is classified as a skin conditioning agent, meaning it helps keep the skin soft, smooth and healthy looking. Its natural vitamins and antioxidants can support the skin’s barrier, reduce the feeling of dryness and add a subtle boost of protection against everyday environmental stress. When included in a formula it can enhance overall moisturization and leave the complexion feeling calm and refreshed.

Who Can Use Brassica Rapa Leaf Extract

Brassica Rapa Leaf Extract is generally considered suitable for most skin types including oily, combination, dry, sensitive and mature because it is lightweight and non-greasy yet offers gentle conditioning. There are no known issues that make it unsuitable for any specific skin type, though individuals with a confirmed allergy to turnips or other plants in the cabbage family should proceed with caution.

Because the extract is completely plant derived and typically processed with water or food grade alcohol, it aligns with vegan and vegetarian preferences and does not rely on animal sourced materials.

Current safety data suggests it is mild enough for use during pregnancy or while breastfeeding, but this is not medical advice. Anyone who is pregnant or nursing should have a doctor review their full skincare routine to be on the safe side.

The ingredient is not known to cause photosensitivity so it can be used both day and night without increasing the skin’s vulnerability to sunlight.

Potential Side Effects/Adverse Reactions

Side effects from topical use of Brassica Rapa Leaf Extract can vary from person to person. The points below list potential reactions, but most users will not experience them when the ingredient is properly formulated and applied.

  • Mild redness or stinging
  • Itching or localized irritation, especially on very sensitive skin
  • Contact dermatitis in individuals allergic to the mustard or cabbage family
  • Rare rash or hives linked to an existing cruciferous vegetable allergy

If any discomfort or visible reaction occurs discontinue use and seek guidance from a healthcare professional.

Comedogenic Rating

Rating: 0 / 5

Brassica Rapa Leaf Extract is water based and contains negligible oil so it does not clog pores. Its lightweight vitamin and polyphenol content sits on the surface without forming a heavy film, which keeps follicles clear. This makes it a suitable choice for people prone to acne or frequent breakouts. No data links it to increased sebum production or blackhead formation.

Because the extract is usually added at low concentrations and pairs well with non-comedogenic carriers, the overall formula is unlikely to push the rating higher.

Summary

Brassica Rapa Leaf Extract conditions the skin by delivering natural vitamins, minerals and antioxidants that help maintain a smooth hydrated surface. These nutrients support barrier strength, calm minor irritation and add mild protection against everyday environmental stress.

The ingredient is not a headline star like hyaluronic acid or niacinamide but it shows up in a growing number of moisturizers, calming masks and clean beauty blends thanks to its gentle nutrient profile.

Current research and usage reports rate it as low risk with only rare allergy-related reactions. Still, skin is personal so it is smart to patch test any new product containing Brassica Rapa Leaf Extract to confirm compatibility.

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