What Is Lactobacillus/Saccharomyces/Hydrolyzed Rice Bran Ferment Filtrate?
Lactobacillus/Saccharomyces/Hydrolyzed Rice Bran Ferment Filtrate is a liquid ingredient created when rice bran is first broken down into smaller pieces then fermented with two friendly microorganisms, Lactobacillus and Saccharomyces. During fermentation these microbes release enzymes and metabolites that enrich the mixture with protective antioxidants, amino acids, vitamins and natural sugars. After fermentation the liquid is filtered to remove any solid residues leaving behind a clear nutrient packed filtrate that can be blended into cosmetic formulas.
Rice bran has been used for centuries in Asian beauty rituals because it is rich in antioxidants like ferulic acid and oryzanol. Modern labs built on this tradition by pairing rice bran with probiotic fermentation to boost its skin and hair care benefits. The process became popular in Korean and Japanese skin care labs in the early 2000s and has since made its way into global beauty lines focused on gentle plant based actives.
Today you will find this filtrate in a range of products such as hydrating face masks, lightweight anti-aging serums, soothing moisturizers, essence lotions, scalp tonics and shine enhancing hair conditioners. Its water like texture, mild scent and broad compatibility make it easy for formulators to slip into both rinse off and leave on products.
Lactobacillus/Saccharomyces/Hydrolyzed Rice Bran Ferment Filtrate’s Cosmetic Benefits/Uses
This multitasking ferment brings several useful actions to skin and hair formulas
- Antioxidant: The filtrate is loaded with natural antioxidant compounds that help neutralize environmental free radicals, supporting skin that looks brighter and more even while helping hair feel stronger
- Hair Conditioning: Fermentation releases small peptides and sugars that coat hair strands lightly, making them feel smoother, softer and easier to detangle without weighing them down
- Humectant: The ingredient draws moisture from the air and binds it to the surface of skin and hair helping maintain a fresh hydrated feel throughout the day
- Skin Conditioning: Amino acids, vitamins and soothing metabolites work together to calm the complexion, improve softness and support a healthy looking skin barrier
Who Can Use Lactobacillus/Saccharomyces/Hydrolyzed Rice Bran Ferment Filtrate
This gentle ferment suits nearly every skin type. Dry and dehydrated skin appreciate its humectant sugars that pull in water while oily or combination skin benefits from its light water like feel that never clogs pores. Sensitive skin generally tolerates it well because the fermentation process reduces harsh proteins and creates soothing amino acids. There are no known concerns for mature skin or for darker skin tones. At this time the ingredient is not flagged as unsuitable for any specific skin type however individuals with a known allergy to rice products or ferment derived ingredients should proceed with extra caution.
The filtrate is plant based and involves no animal derived substances so it is considered appropriate for both vegetarians and vegans. The microorganisms used to ferment the rice bran are bacteria and yeast that are grown in nutrient media free of animal by products in standard cosmetic production.
Current safety data indicates that topical use is acceptable for women who are pregnant or breastfeeding. This is not medical advice and anyone who is expecting or nursing should discuss any skincare routine with a qualified healthcare professional to be on the safe side.
The ingredient does not increase photosensitivity. Normal sun protection habits are still recommended but no special precautions are required solely because a product contains this ferment.
Potential Side Effects/Adverse Reactions
Side effects from topical Lactobacillus/Saccharomyces/Hydrolyzed Rice Bran Ferment Filtrate vary from person to person. The points below list potential reactions but they are rare and most users will enjoy the ingredient without problems as long as the finished product is formulated and preserved correctly.
- Allergic contact dermatitis: A very small number of people may experience redness itching or swelling due to an immune response to rice proteins or fermentation by products
- Mild stinging or burning: Users with compromised skin barriers or recent exfoliation could feel a brief tingle that usually subsides quickly
- Folliculitis risk in heavily occlusive formulas: If the ferment sits on skin under thick creams in hot humid weather its sugar content may contribute to microbial overgrowth in hair follicles for some individuals
- Eye irritation: Accidental contact with the eyes can cause watering or discomfort because of the ingredient’s low pH
- Product spoilage sensitivity: As a nutrient rich liquid it must be preserved correctly in the final formula or it could support unwanted microbial growth leading to irritation
If any irritation persistent redness or other adverse reaction occurs stop using the product and consult a healthcare professional
Comedogenic Rating
Rating: 1/5
This filtrate is almost entirely water based and contains very little oil or long-chain fatty acids, so it is unlikely to clog pores. The low rating reflects its light texture and the fact that fermentation breaks larger rice lipids into smaller molecules that rinse or absorb easily. It is therefore generally suitable for acne-prone or breakout-prone skin.
Keep in mind the finished product’s overall formula matters; if the ferment is blended with heavy oils or waxes the comedogenic potential could rise even though the ferment itself remains low.
Summary
Lactobacillus/Saccharomyces/Hydrolyzed Rice Bran Ferment Filtrate works primarily as an antioxidant, humectant, skin conditioner and hair conditioner. Fermentation unlocks rice bran’s natural ferulic acid, peptides, amino acids and sugars which neutralize free radicals, draw moisture into skin and hair, calm irritation and leave both skin and strands feeling soft and smooth.
The ingredient has gained steady popularity through K-beauty and Japanese formulations and is now appearing in international serums, essences and lightweight conditioners. While not as mainstream as hyaluronic acid or niacinamide its clean label story and gentle effectiveness continue to attract formulators.
Current research and decades of safe food use suggest very low risk when applied topically. Most people tolerate it well but, as with any new cosmetic ingredient, it is smart to perform a quick patch test when trying a product that includes this ferment.