Bacillus/Canavalia Ensiformis Seed Ferment 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 Bacillus/Canavalia Ensiformis Seed Ferment Extract?

Bacillus/Canavalia Ensiformis Seed Ferment Extract comes from the seeds of Canavalia ensiformis, better known as the jack bean. The seeds are rich in proteins and carbohydrates. When they are fermented with a safe strain of the soil microorganism Bacillus, those large seed molecules are broken down into smaller peptides, amino acids, sugars and protective metabolites that skin can more easily recognize and use.

Using fermentation to boost skin care has roots in traditional food science, but cosmetic labs began adapting the idea in the early 2000s to meet the demand for gentle plant based ingredients. The process is straightforward: cleaned jack bean seeds are soaked and mashed, the mash is inoculated with Bacillus, then kept at a controlled temperature so the microbes can work. After several days the mixture is filtered to remove solids, and the liquid is concentrated and preserved to create the final extract.

The resulting ingredient dissolves in water, has a lightweight feel and carries a slightly sweet, neutral scent. You will usually see it in moisturizers, hydrating serums, overnight masks, barrier repair creams, after sun gels and age defense formulas where extra softness and moisture retention are needed.

Bacillus/Canavalia Ensiformis Seed Ferment Extract’s Cosmetic Benefits/Uses

This fermented seed extract serves several roles in skin care formulas.

  • Humectant – draws water to the surface of the skin, helping it stay plump and smooth while reducing the look of fine lines caused by dryness
  • Skin Conditioning – supplies small peptides and sugars that leave skin feeling soft, calm and refreshed after application
  • Skin Protecting – forms a light film that reinforces the skin barrier so it can better defend itself against irritation from wind, cold or pollution

Who Can Use Bacillus/Canavalia Ensiformis Seed Ferment Extract

This water based ferment suits nearly every skin type. Dry or mature skin benefits from its moisture binding sugars, while combination and oily complexions appreciate its lightweight non greasy feel. Sensitive skin generally tolerates it well thanks to its gentle amino acid profile, and there is no evidence it aggravates acne prone skin. No specific skin type is considered incompatible with the ingredient

Because it is produced from a legume and a bacteria strain without any animal derived helpers, products featuring this extract are typically appropriate for vegetarians and vegans. Always check the full INCI list for accompanying ingredients such as beeswax or lanolin if a fully plant based formula is important to you

The ferment is not known to interfere with pregnancy or lactation when used topically, and it is not absorbed into the bloodstream in meaningful amounts. Still this is not medical advice; anyone who is pregnant or breastfeeding should show the product label to a healthcare professional before adding it to a routine

The extract does not cause photosensitivity, so it can be worn during the day without raising sunburn risk. Standard daily sunscreen habits remain essential for overall skin health

Potential Side Effects/Adverse Reactions

Individual responses to topical Bacillus/Canavalia Ensiformis Seed Ferment Extract can vary. The points below outline potential side effects that could occur, though they are uncommon when the ingredient is properly formulated and stored

  • Localized redness or warmth shortly after application
  • Mild itching or tingling that subsides within minutes
  • Rare allergic contact dermatitis in users sensitive to legume proteins
  • Stinging on compromised or freshly exfoliated skin
  • Reaction to co-preservatives rather than the ferment itself

If irritation persists or worsens stop using the product and consult a qualified healthcare provider

Comedogenic Rating

Rating: 0 / 5

This fermented jack bean extract is water soluble, lightweight and free of heavy oils or waxes that tend to block pores. Its main components are small peptides, amino acids and sugars that rinse away easily and do not sit inside follicles, so the likelihood of clogging is extremely low.

Suitable for acne-prone or breakout-prone skin.

Because the extract is usually paired with gentle preservatives and appears at modest levels in formulas, it rarely alters the pore-friendliness of the overall product.

Summary

Bacillus/Canavalia Ensiformis Seed Ferment Extract acts as a humectant, skin conditioning agent and skin protectant. Fermentation breaks the jack bean’s large proteins and carbs into tiny molecules that pull moisture into the skin, leave it feeling soft and create a light protective film that helps keep irritants out.

While not as famous as hyaluronic acid or glycerin, this ferment is gaining attention in hydrating serums, barrier creams and soothing masks for its gentle plant based profile and eco friendly production.

Current research and product experience show it to be very safe with a low risk of irritation or pore blockage. As with any new cosmetic ingredient it is smart to patch test a fresh product before full-face use just to be sure your skin agrees with it.

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