Kluyveromyces/Lactobacillus/Cinnamomum Camphora Bark Oil 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: July 1, 2025
Share:
Inside this article:

We verify all information on this page using publicly available nomenclature standards from The Personal Care Products Council (PCPC), the European Commission's CosIng database and documentation provided directly by ingredient manufacturers. Our analysis is based on technical data from these sources to ensure accuracy and reliability.

What Is Kluyveromyces/Lactobacillus/Cinnamomum Camphora Bark Oil Ferment Filtrate?

Kluyveromyces/Lactobacillus/Cinnamomum Camphora Bark Oil Ferment Filtrate is a mouthful of a name yet its story is simple. It starts with camphor tree bark, the same tree long valued in Asia for its refreshing scent. Manufacturers steam-distill the bark to collect a volatile oil rich in natural compounds like cineole, safrole and terpenes. Instead of using that oil straight, they feed it to two friendly microbes, the yeast Kluyveromyces and the probiotic bacterium Lactobacillus. During fermentation the microbes break down the oil into smaller, skin-friendly molecules while also producing peptides, amino acids and organic acids. The liquid is then filtered to remove any solid residue, leaving a clear ferment filtrate packed with active ingredients.

Brands turned to this ferment as consumers began looking for gentle yet effective alternatives to synthetic preservatives and brighteners. Korean beauty labs were early adopters, adding it to sheet masks and essence toners that promised the glow of fermented botanicals. Today it appears in moisturizers, anti-aging serums, blemish spot treatments and soothing after-sun gels. Formulators like it because it combines several functions in one ingredient, trimming down the total number of additives in a formula.

Kluyveromyces/Lactobacillus/Cinnamomum Camphora Bark Oil Ferment Filtrate’s Cosmetic Benefits/Uses

This multitasking ferment brings a handful of useful actions to skin care formulas:

  • Antimicrobial: The organic acids and peptides created during fermentation make it harder for unwanted bacteria and yeast to grow in a product, helping keep the formula fresh without heavy synthetic preservatives
  • Antioxidant: Fermentation releases polyphenols and terpenes that can neutralize free radicals, which supports skin resilience and can slow the look of early aging
  • Bleaching: The ferment can gently fade the appearance of dark spots by disrupting the pathway that triggers excess pigment, leading to a more even tone over time
  • Skin Conditioning: Amino acids and sugars from the microbes draw water into the skin surface leaving it soft, smooth and comfortably hydrated
  • Skin Protecting: By forming a light breathable film and calming irritation the ferment helps shield skin from daily stressors like pollution and minor friction

Who Can Use Kluyveromyces/Lactobacillus/Cinnamomum Camphora Bark Oil Ferment Filtrate

This ferment filtrate is generally well tolerated by most skin types including normal, dry, oily, acne-prone and sensitive skin because it is lightweight, non greasy and free of common irritants like added fragrance or alcohol. People with extremely reactive skin should still check the full ingredient list of the finished product since other ingredients, not the ferment itself, may pose an issue.

The ingredient is produced through microbial fermentation of plant-derived camphor bark oil and contains no animal inputs, so it suits both vegetarians and vegans.

Current research has not flagged any specific concerns for topical use during pregnancy or while breastfeeding. Still, this is not medical advice and pregnant or nursing women should show any skincare product they plan to use to their doctor just to be safe.

The ferment filtrate is not known to make skin more sensitive to sunlight and does not function like exfoliating acids or retinoids that can increase photosensitivity.

It layers well with most actives, but if you are using potent prescription treatments or have a diagnosed skin condition, double-check compatibility with a healthcare professional.

Potential Side Effects/Adverse Reactions

Individual responses to Kluyveromyces/Lactobacillus/Cinnamomum Camphora Bark Oil Ferment Filtrate can differ. The effects listed below are only potential outcomes and are uncommon when the ingredient is properly formulated.

  • Mild tingling or warmth right after application, typically subsiding within minutes
  • Redness or irritation on very sensitive or compromised skin barriers
  • Allergic contact dermatitis for those allergic to camphor tree derivatives or fermentation by-products
  • Interaction with strong exfoliants or high-strength retinoids that could amplify dryness or flaking

If you notice persistent discomfort, redness or any unusual reaction stop using the product and consult a qualified healthcare provider.

Comedogenic Rating

Rating: 1 / 5. The ferment filtrate is water based, lightweight and contains very little residual camphor bark oil. The fermentation process also breaks large oil molecules into smaller, more skin compatible fragments that rinse away easily. Because it lacks heavy lipids it is unlikely to sit inside pores and trigger blockages, yet the trace terpenes from camphor keep it from being a perfect zero. Overall it is considered safe for people who tend to develop blackheads or pimples.

Formulators often pair this ingredient with other non clogging humectants so the finished product usually keeps an acne friendly profile. If the final formula contains rich butters or waxes those will have a far bigger impact on pore clogging than the ferment itself.

Summary

Kluyveromyces/Lactobacillus/Cinnamomum Camphora Bark Oil Ferment Filtrate works as an antimicrobial, antioxidant, gentle brightener, skin conditioner and protector. Fermentation turns camphor bark oil into a solution rich in organic acids, peptides and polyphenols that suppress harmful microbes, mop up free radicals, lighten the look of dark spots, boost moisture and form a soft protective film on the skin surface.

The ingredient enjoys moderate popularity, mainly in Korean and indie clean beauty lines, because it offers a cluster of benefits while letting brands cut back on synthetic preservatives. It has not reached mainstream status in Western drugstore products yet but interest is growing as more consumers seek fermented botanicals.

Current data shows it is low risk for most users with only rare reports of irritation or allergy. As with any new skincare step it is wise to do a small patch test before going all in, especially if you have reactive or allergy prone skin.

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