What Is Lactobacillus/Phyllostachys Pubescens Stem/Honey Ferment Filtrate?
Lactobacillus/Phyllostachys Pubescens Stem/Honey Ferment Filtrate is a fermented blend made from the stems of Phyllostachys pubescens, better known as moso bamboo, and natural honey. During production the plant material and honey are mixed with a friendly probiotic bacterium called Lactobacillus. Over several days the bacteria break down the larger plant and honey molecules into smaller, skin-friendly compounds. Once fermentation is complete the mixture is carefully filtered, leaving a clear liquid rich in amino acids, sugars, minerals and antioxidants.
The idea of using fermented ingredients in beauty formulas grew out of traditional Asian fermentation practices that were valued for preserving food and boosting its nutritional profile. Korean and Japanese skin care brands began exploring similar methods in the early 2000s, and the trend quickly caught on worldwide. The bamboo-honey ferment gained attention because bamboo stems are naturally high in silica, an element linked to smooth, resilient skin, while honey adds soothing and humectant properties.
You will most often spot this filtrate in hydrating sheet masks, lightweight moisturizers, calming serums, after-sun gels and age-defying creams. Formulators like it because it layers well with other actives and has a mild, pleasant scent that does not overpower a product’s fragrance blend.
Lactobacillus/Phyllostachys Pubescens Stem/Honey Ferment Filtrate’s Cosmetic Benefits/Uses
This ingredient is classified as a skin-conditioning agent. In practical terms it helps the skin feel softer and look healthier by replenishing moisture, supplying trace minerals and supporting a balanced surface microbiome. Because the fermentation step breaks down the raw materials into smaller molecules, the filtrate can be absorbed more easily, giving products a lightweight feel while still delivering lasting comfort.
Who Can Use Lactobacillus/Phyllostachys Pubescens Stem/Honey Ferment Filtrate
This ferment filtrate is generally well tolerated by all skin types, including oily, dry, combination and sensitive skin, thanks to its lightweight texture and soothing profile. Very reactive or highly allergy-prone skin should approach with caution only because honey is a natural allergen for a small percentage of people.
Because the ingredient contains honey, it is not considered vegan friendly, though it is acceptable for most vegetarians. There are no other animal-derived components in the ferment itself.
No research indicates that topical use poses special concerns for women who are pregnant or breastfeeding. That said this is not medical advice and anyone who is expecting or nursing should run new skincare products by a doctor just to be safe.
The filtrate does not make skin more sensitive to sunlight, so it is unlikely to increase the risk of sunburn or pigmentation issues. As with any skincare ingredient those with a known honey or bee-related allergy should check labels carefully.
Potential Side Effects/Adverse Reactions
Reactions to the topical use of Lactobacillus/Phyllostachys Pubescens Stem/Honey Ferment Filtrate vary from person to person. The effects listed below are only potential issues and are not the typical experience for most users when the ingredient is properly formulated.
- Localized redness or warmth, especially on very sensitive skin
- Mild stinging or tingling immediately after application
- Allergic response such as hives or itching in individuals sensitive to honey or bee products
- Contact dermatitis in people with compromised skin barriers or multiple cosmetic allergies
- Occasional clogged pores or breakouts in extremely acne-prone skin if the overall formula is too occlusive
If any uncomfortable or unusual reaction occurs stop using the product and consult a healthcare professional.
Comedogenic Rating
Rating: 1 out of 5. The filtrate itself is a watery liquid made up of small molecules that do not tend to sit in pores or form a heavy film. While raw honey scores a little higher, the fermentation process breaks it down and greatly lowers the chance of pore blockage. For that reason most people, including those who often break out, can use it without problems. If the finished product also contains thick oils or waxes the overall formula could still feel heavy, so always look at the full ingredient list.
Summary
Lactobacillus/Phyllostachys Pubescens Stem/Honey Ferment Filtrate is mainly a skin-conditioning agent that adds hydration, trace minerals and soothing compounds. Fermentation turns the bamboo stem and honey into smaller skin-loving molecules that absorb fast and help keep the surface microbiome in balance. The ingredient popped up first in K-beauty lines and is becoming more common in Western serums, masks and light creams, though it is still seen as a niche highlight rather than a mainstream staple.
Topical use is considered low risk for most skin types with only a small chance of irritation in people allergic to honey or sensitive to ferments. As with any new skincare item do a quick patch test before full use to make sure your skin agrees with it.