Brassica Oleracea Capitata Leaf/Stem 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 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 Brassica Oleracea Capitata Leaf/Stem Extract?

Brassica Oleracea Capitata Leaf/Stem Extract is a plant-derived ingredient obtained from the leaves and stems of common cabbage, a member of the Brassicaceae family. The extract is naturally rich in vitamins A, C and K, flavonoids, sulfur-containing compounds and skin-friendly sugars that help retain moisture. Cabbage has a long history in folk beauty rituals where crushed leaves were applied to calm rough or stressed skin. Modern cosmetic chemists began exploring it in the late 20th century when its antioxidant profile and softening sugars proved useful for gentle skin and hair care.

To create the extract, fresh cabbage leaves and stems are cleaned, finely chopped and soaked in a food-grade solvent such as water or glycerin. Low-heat maceration pulls out the water-soluble vitamins and phytonutrients, after which the mixture is filtered and concentrated to form a stable liquid or powdered extract. The final material is usually preserved with mild, skin-safe agents and standardized so each batch offers consistent activity.

You will typically spot Brassica Oleracea Capitata Leaf/Stem Extract in hydrating sheet masks, anti-aging serums, soothing moisturizers, post-shave balms, nourishing hair conditioners and nail strengthening treatments. Its mild nature makes it suitable for products aimed at sensitive or easily irritated skin.

Brassica Oleracea Capitata Leaf/Stem Extract’s Cosmetic Benefits/Uses

This multitasking botanical offers several advantages in personal care formulas:

  • Antioxidant: Helps neutralize free radicals generated by UV light and pollution which can otherwise contribute to dullness and early signs of aging. Including it in a formula supports overall skin resilience and maintains hair vibrancy.
  • Hair conditioning: Coats the hair shaft with lightweight moisture that smooths cuticles reduces static and enhances softness without weighing strands down.
  • Nail conditioning: Supplies moisture and protective antioxidants to the nail plate and surrounding skin promoting flexibility and minimizing brittleness or peeling.
  • Emollient: Provides an immediate soft, supple feel by filling in microscopic gaps on the skin surface locking in water and improving overall texture.

Who Can Use Brassica Oleracea Capitata Leaf/Stem Extract

This cabbage-derived extract is generally friendly to all skin types. Its light emollient feel pleases normal and dry complexions while the non-greasy finish makes it comfortable for combination and oily skin. The soothing profile is also a plus for easily irritated or sensitive conditions since the extract lacks harsh acids or strong fragrances. No specific skin type is advised to avoid it unless an individual has a known allergy to members of the cabbage or mustard family.

Because the material is 100 % plant based and commonly processed with food-grade solvents it fits seamlessly into vegan and vegetarian lifestyles. No animal derivatives are involved at any stage of production.

Current research offers no evidence that topical Brassica Oleracea Capitata Leaf/Stem Extract poses a risk to women who are pregnant or breastfeeding. That said this is not medical advice. Expectant or nursing parents should review any new skincare product with their healthcare provider to stay on the safe side.

The extract does not heighten sensitivity to sunlight so there is no special need for additional sun precautions beyond the daily SPF experts already recommend. It also plays well with most other cosmetic actives and preservatives so formulators rarely report compatibility issues.

Potential Side Effects/Adverse Reactions

Responses to topical Brassica Oleracea Capitata Leaf/Stem Extract differ from person to person. The effects listed below are only potential outcomes and, when the ingredient is formulated correctly, most users will not encounter them.

  • Mild skin irritation such as temporary redness or itching, usually in those with very reactive skin
  • Allergic contact dermatitis in people sensitive to cabbage, broccoli or other Brassicaceae plants
  • Eye stinging if a high-strength product accidentally gets into the eyes during application
  • Unpleasant sulfur-like odor if the product is old or improperly preserved, which can discourage continued use but is not harmful in itself

If any discomfort or rash appears stop using the product and seek medical guidance if symptoms do not quickly resolve.

Comedogenic Rating

Rating: 0/5

Brassica Oleracea Capitata Leaf/Stem Extract is almost entirely made up of water soluble vitamins, antioxidants and lightweight sugars rather than heavy oils or waxes that can block pores. Because it leaves very little residue on the skin and does not add extra sebum-like lipids, it is considered non-comedogenic. This means it is generally suitable for people who are prone to acne or frequent breakouts.

No data suggest it interferes with acne treatments or increases oiliness, making it a safe supporting ingredient in blemish-focused routines.

Summary

Brassica Oleracea Capitata Leaf/Stem Extract acts as an antioxidant, emollient and conditioning agent for skin, hair and nails. Its naturally occurring vitamins A, C and K plus flavonoids mop up free radicals while sulfur compounds and plant sugars bind water to the surface for a softer feel. When used in hair or nail care the same sugars coat and smooth cuticles, adding flexibility and a touch of shine.

The extract appears occasionally in modern formulas, most often in soothing masks, gentle moisturizers and lightweight conditioners, but it has not yet reached the mainstream popularity of trendier botanicals like green tea or centella.

Overall safety is high with few reported adverse effects. Still, every skin is unique so perform a simple patch test whenever you introduce a new product that features this cabbage-derived extract.

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