Brassica Campestris Flower 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
Share:
Inside this article:

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 Campestris Flower Extract?

Brassica Campestris Flower Extract is drawn from the bright yellow blooms of the rapeseed plant, known to farmers for its use in cooking oil and animal feed. The flowers hold natural fats, antioxidants and plant compounds that help soften and protect skin. While rapeseed has been grown for centuries, the flower extract only gained cosmetic attention in the past few decades as brands searched for plant based alternatives to mineral oils and synthetic conditioners.

To make the extract, freshly harvested flowers are usually soaked in a gentle carrier oil or alcohol. The liquid pulls out the beneficial parts of the petals and is then filtered to remove solids. The result is a lightweight, golden fluid that blends easily into creams and serums.

Today you will spot Brassica Campestris Flower Extract in moisturizers, face masks, soothing lotions, scalp treatments, anti shine primers and even some cleansing balms. Its mix of skin softening lipids and mild protective properties makes it a flexible choice for everyday formulas.

Brassica Campestris Flower Extract’s Cosmetic Benefits/Uses

This flower derived ingredient offers several perks when added to a skincare or haircare product:

  • Anti-Seborrheic: Helps balance excess oil on skin or scalp which can cut down shine and flaking
  • Antimicrobial: Provides a light defense against surface bacteria helping products stay fresh and supporting a clearer complexion
  • Skin Conditioning: Smooths the outer layer of skin so it feels softer and looks more even
  • Emollient: Supplies a layer of moisturizing lipids that trap water in the skin reducing dryness and rough patches

Who Can Use Brassica Campestris Flower Extract

Most skin types can benefit from Brassica Campestris Flower Extract. Its lightweight emollient nature suits normal, dry, combination and mildly oily complexions while the soothing lipids make it friendly for sensitive or mature skin. Those with very acne prone or excessively oily skin may prefer to use it in lighter leave-on formulas since richer creams could feel heavy on them.

The extract is plant derived and involves no animal by-products so it is suitable for both vegans and vegetarians. Always check the full product label to confirm that the entire formula meets your personal ethics on animal testing and sourcing.

No specific contraindications have been reported for pregnant or breastfeeding women. The ingredient is not known to penetrate deeply, affect hormones or carry reproductive warnings. That said, this is not medical advice and anyone who is expecting or nursing should run their skincare choices past a qualified doctor to be on the safe side.

Brassica Campestris Flower Extract does not cause photosensitivity, meaning it will not make skin more reactive to sunlight. Standard daytime sun protection is still recommended for overall skin health.

Potential Side Effects/Adverse Reactions

Reactions to topical Brassica Campestris Flower Extract differ from person to person. The points below outline potential side effects that are possible yet not expected for most users when the ingredient is properly formulated and used as directed.

  • Mild skin irritation slight redness or stinging on initial application in very sensitive individuals
  • Allergic contact dermatitis rare rash or itching for those allergic to members of the Brassicaceae plant family
  • Temporary pore congestion a chance of clogged pores if heavy formulations are layered repeatedly on highly oily skin
  • Greasy scalp feel excess shine or limp hair when overused in leave-on hair products

If any persistent discomfort or adverse reaction occurs stop using the product and consult a healthcare professional.

Comedogenic Rating

Rating: 2 / 5

Brassica Campestris Flower Extract carries some of the fatty acids found in rapeseed oil yet in smaller amounts since the extract is taken from the blooms not the seeds. These light lipids add softness but are less likely to build up inside pores than heavier plant butters or unrefined seed oils. That said very oily or clog-prone skin could still notice a slight rise in surface oil if the formula is thick or used often.

In short the extract is generally suitable for people who break out easily when it appears in light lotions or serums but may be less ideal if it sits high on the ingredient list of a rich cream.

Formulation, concentration and the other ingredients in a product can raise or lower the real-world clogging risk so the rating above is only a guide.

Summary

Brassica Campestris Flower Extract works as an anti-seborrheic antimicrobial skin-conditioning emollient. Its mild plant fats help trap water in the upper skin layers while natural compounds calm excess oil and fend off some surface germs. Together these actions leave skin smoother scalp less flaky and formulas feeling pleasant rather than greasy.

The extract is not yet a marquee ingredient like hyaluronic acid but its presence is growing in mid-range moisturizers soothing masks and eco-minded hair care. Brands value it for giving a soft feel without relying on mineral oil.

Current data shows it is safe for most users with low rates of irritation or allergy. Still every skin type is unique so it is smart to patch test a new product that contains Brassica Campestris Flower Extract before working it into a daily routine.

Was this article helpful?
More from Glooshi:
ADVERTISEMENT
Get all our top headlines in beauty.
Delivered right to your inbox each week. Zero spam, all goodness, opt-out at anytime.
This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Get the latest beauty news, top product recommendations & brand-exclusive discount codes direct to your inbox.
Send good feedback:

All feedback is greatly appreciated, anonymous, and will be used to improve the quality of our articles.

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Send bad feedback:

All feedback is greatly appreciated, anonymous, and will be used to improve the quality of our articles.

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Search