Bacillus/Broccoli Sprout Extract Ferment Filtrate: 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 Bacillus/Broccoli Sprout Extract Ferment Filtrate?

Bacillus/Broccoli Sprout Extract Ferment Filtrate is a liquid derived from fermenting young broccoli (Brassica oleracea italica) sprouts with the friendly microorganism Bacillus. Broccoli sprouts are naturally rich in vitamins, minerals and antioxidant compounds like sulforaphane. When these sprouts are fermented, the process breaks down complex plant material into smaller molecules that can be more readily absorbed by skin and it produces extra skin-loving substances such as amino acids and peptides.

The idea of using fermented plant extracts for beauty care gained popularity in East Asian skincare during the early 2000s, where brands looked for gentler ways to deliver nutrients. Broccoli sprout ferment made its way into modern formulations as researchers noted its high antioxidant potential and water-binding ability, making it suitable for hydrating and protective products.

Manufacturers begin by harvesting fresh broccoli sprouts then creating an aqueous extract. This extract is mixed with a carefully selected Bacillus strain under controlled temperature and pH. Over several days the bacteria consume sugars and release beneficial enzymes. After fermentation the mixture is filtered to remove solids and bacteria, leaving a clear filtrate that contains the active components.

You will often find Bacillus/Broccoli Sprout Extract Ferment Filtrate in lightweight serums, hydrating masks, anti-aging creams, soothing lotions and post-sun treatments where its hydrating and protective qualities help support the overall formula.

Bacillus/Broccoli Sprout Extract Ferment Filtrate’s Cosmetic Benefits/Uses

This multifunctional ferment lends both moisture and protection to a wide range of skincare products.

  • Humectant: draws water from the environment and the deeper layers of skin into the outer surface, boosting immediate hydration and giving skin a plumper, smoother look
  • Skin protecting: supplies antioxidants and soothing compounds that help defend against everyday environmental stressors like pollution and UV-related free radicals which can dull or irritate skin

Who Can Use Bacillus/Broccoli Sprout Extract Ferment Filtrate

This ferment filtrate is generally gentle enough for all skin types including dry, normal, oily and combination. Its light texture and non-occlusive nature make it a good pick for acne-prone or congested skin because it adds water without heavy oils that could clog pores. Those with sensitive or compromised skin usually tolerate it well thanks to its soothing properties, though anyone with a known broccoli or brassica allergy should avoid it.

The ingredient is produced from plant sprouts and a food-grade Bacillus culture, so it is suitable for both vegans and vegetarians. No animal-derived materials are involved in the fermentation or filtration steps.

No specific warnings exist for pregnancy or breastfeeding, and there is nothing in the ferment known to penetrate deeply or act like a hormone. Still, this is not medical advice; anyone who is pregnant or nursing should show their doctor the full product label before use just to be safe.

Bacillus/Broccoli Sprout Extract Ferment Filtrate does not make skin more sensitive to sunlight and can be used morning or night without raising the risk of sunburn. It also plays well with common actives such as retinoids or vitamin C, helping keep skin hydrated while stronger ingredients get to work.

Potential Side Effects/Adverse Reactions

Reactions to topical Bacillus/Broccoli Sprout Extract Ferment Filtrate differ from person to person. The points below list potential side effects, but most users experience none when the ingredient is properly formulated in a product.

  • Redness or mild irritation in very sensitive skin
  • Itching or tingling if you have an undiagnosed allergy to broccoli, brassica vegetables or fermentation by-products
  • Rare contact dermatitis if used alongside other irritating actives and fragrances

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

Comedogenic Rating

Rating: 0 out of 5

Bacillus/Broccoli Sprout Extract Ferment Filtrate is a water based ferment with no oils or waxes that might clog pores. Its molecules are small and lightweight so they sit on skin without blocking follicles or trapping sebum. This makes it functionally non-comedogenic.

Suitable for acne-prone and breakout-prone skin.

Because it is usually added at low concentrations in formulas that focus on hydration, it rarely interferes with other ingredients that could influence pore blockage.

Summary

Bacillus/Broccoli Sprout Extract Ferment Filtrate acts mainly as a humectant and a skin protecting agent. The fermentation process breaks broccoli sprout compounds into smaller parts that attract and hold water while also delivering antioxidants that help shield skin from daily stress.

Although not as famous as hyaluronic acid or green tea it is turning up in more K-beauty style serums, masks and light creams because formulators like its clean label story and multitasking nature.

Overall safety is high with very few reports of irritation or allergy. As with any new skincare ingredient it is smart to do a quick patch test to confirm personal tolerance before applying it to the entire face.

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