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What is Streptococcus Thermophilus Ferment?

Humectant

Streptococcus Thermophilus Ferment is a humectant that draws water into the skin and helps hold it there.

This ingredient is listed in CosIng, the EU's cosmetic ingredient database. CosIng lists what it's used for as: Humectant, Skin conditioning.

CosIng function classes are the EU's standard list of the jobs an ingredient does inside a product, such as moisturizing, emulsifying, or preserving.

Anything to watch out for?

Some products' ingredient lists mark this ingredient as below. If a mark's reason fits your skin, it is the ingredient to weigh in those products.

This is a fungal-acne trigger, one of the ingredients people with fungal acne avoid.
Marked this way on 19 products.

Each mark comes from matching the product's full ingredient list against lists for fragrance, labeled fragrance allergens, drying alcohols, essential oils, fungal acne, pore clogging, and pregnancy caution.

Which products feature it?

5 of the 2320 products we've checked feature this as a key ingredient. Products that disclose a concentration or list it near the top of the ingredient list come first.

Showing 1 to 5.

  • Product photo of Metabiome Toner Pad

    PURIPIA

    Metabiome Toner Pad

    It's registered in Korea as a functional cosmetic for brightening and wrinkle improvement.

    Key: Streptococcus Thermophilus Ferment (#4 on the ingredient list), Lactobacillus Ferment, Yeast Ferment

    Official (Korean)
    49 claims, summarized
    You can expect:
    a brighter skin tone · less visible dark spots · softer-looking fine lines · better hydration
    Only partly backed:
    firmer skin · a smoother skin texture
    Tests passed:
    skin irritation
    See each claim

    claims, checked

    • Probiotic Ferment Blend of Fermented Active Ingredientsbacked by evidence
    • Dull and dark complexion skin brightness improvement 1.38%backed by evidence
    • Improvement of bumpy skin unevenness and skin texture 7.03%backed by evidence
    • 1. A total of 30 test subjects completed the test.backed by evidence
    • Test product Furipia Metabiome Toner Pad / Skin irritation index 0.000 / Judged non-irritatingbacked by evidence
    • Whitening ,wrinkle improvement dual functionalitybacked by evidence
    • STEP 1. Moisture care that builds the skin barrier / Attach the pad to skin concern areas such as both cheeks, forehead, and butterfly zone for 5 minutes or more for soothing care.backed by evidence
    • STEP 2. Daily care that completes skin texture / Gently wipe the entire face with embossed cotton to remove dead skin cells and skin impurities.backed by evidence
    • Feels like skin heat and redness are reduced 70%plausible, not tested
    • Feels that dead skin cells decrease and makeup adheres better 61%plausible, not tested
    • Feels like the face is livelier and skin tone is brighter 91%plausible, not tested
    • CERT CLEAN Canadian international certification based on 1,220 chemical componentsplausible, not tested
    • For products that touch skin, safer, official Korea Vegan certificationplausible, not tested
    • Transparent container / No separate pigments or processing added to increase recycling separation rate.plausible, not tested
    • Water-separable label / After separating along the guide line on the container's label, it can be easily disposed of as general waste.plausible, not tested
    • [Elasticity·Moisture·Whitening] All-in-One Care Solutionpartly backed
    • Human Non-Irritation Test Completedpartly backed
    • Moisturizing improvement efficacy 92.97% moisture barrier improvementpartly backed
    • Dull, dark skin tone brightness improvementpartly backed
    • Immediate moisture improvement +13.2%partly backed
    • Immediate soothing improvement +70.39%partly backed
    • Moisture barrier improvement +92.97%partly backed
    • Real skin changes that 20 people were satisfied withpartly backed
    • Rough and flaky skin moisture barrier improvement 92.97%partly backed
    • Immediate soothing relief for skin reddened by irritation 70.39%partly backed
    • Improvement of dead skin cells on peeling and rough skin 60.53%partly backed
    • Solving elasticity + moisture + whitening with one padpartly backed
    • Perfect defense against moisture loss with 3 rapid-soothing ingredients: Allantoin + Panthenol + Ceramidepartly backed
    • Safe even for sensitive skin, irritation index 0.00, human non-irritation judgmentpartly backed
    • A pad proven by testing that even sensitive skin can use daily with peace of mindpartly backed
    • Skin dead skin cell improvement +61.53%overstated
    • Helps maintain moist skin condition without dryness or tightness 132%overstated
    • Skin improvement effects proven by safe and reliable clinical testsoverstated
    • Hwahae #1 Probiotic Padno supporting source found
    • A fundamentally different skin change created by 10 types of probiotic lactic acid bacteriano supporting source found
    • Contains patented Metabiome ingredient, a microbiome complex for a strong moisture barrierno supporting source found
    • Patented METABIOME that catches elasticity and moisture at onceno supporting source found
    • A ferment isolated and identified from 3 types of probiotics – green tea flower + Jeju nuruk + white magnolia – helps skin moisturizing and soothing balanceno supporting source found
    • 7 types of Lactobacillus, each isolated and identified from a different plant, help with moisture filling and nutrition supplyno supporting source found
    • Furipia's exclusive microbubble technique makes the skin barrier sturdierno supporting source found
    • With a rigorous patented method, without destroying ingredients, deeply and quickly into the skinno supporting source found
    • Minimizes destruction of active ingredients with very fine bubbles of 50μM or lessno supporting source found
    • The real change made by the skin barrier when the skin's inherent power is awakenednothing specific to check
    • Synergy of 3 rapid-soothing ingredients that perfectly defend against moisture loss, completing makeup-friendly skin conditionnothing specific to check
    • Good ingredients for skin UP, harmful ingredients for skin DOWNnothing specific to check
    • The core essence of youthful skin, one bottle intact!nothing specific to check
    • Skin sensitive to weather conditionsnothing specific to check
    • Skin that looks rough and lacks elasticitynothing specific to check
    • Skin that looks uneven in texture and feels tightnothing specific to check

  • Fusidyne

    Derma Trouble Balancing Toner

    Key: Streptococcus Thermophilus Ferment (#9 on the ingredient list), Fusidium Coccineum Ferment Lysate Extract Filtrate, Saccharomyces Ferment

  • Product photo of Biome Healer Youth Formula Cream

    REJURAN

    Biome Healer Youth Formula Cream

    It's made for firmer skin.

    Key: Streptococcus Thermophilus Ferment (#10 on the ingredient list), Niacinamide, Cutibacterium Acnes Ferment Filtrate

    Official (Korean)
    3 claims, summarized
    Only partly backed:
    firmer skin
    See each claim

    claims, checked

    • [c-PDRN dark spot cream/photo-aging care new material]partly backed
    • With a medical approach, it provides comfortably moisturized skin.overstated
    • Baiom Healer Youth Formula Cream that strengthens the skin's intrinsic recovery powerno supporting source found
  • Product photo of Biome Healer Youth Formula Ampoule

    REJURAN

    Biome Healer Youth Formula Ampoule

    Key: Streptococcus Thermophilus Ferment (#11 on the ingredient list), Niacinamide, Cutibacterium Acnes Ferment Filtrate

    Official (Korean)
    3 claims checked

    claims, checked

    • Biome Healerpartly backed
    • With Biome Healer Youth Formula Ampoule, rediscover your skin's innate power. Complete your daily healthy skincare routine with PDRN ingredients.overstated
    • Youth Formula Ampoulenothing specific to check
  • Product photo of Weakly Acidic Cleansing Gel Foam

    Dr.G

    Weakly Acidic Cleansing Gel Foam

    Key: Streptococcus Thermophilus Ferment (#20 on the ingredient list), Disodium Cocoamphodiacetate, Disodium Cocoyl Glutamate

    7 claims, summarized
    Only partly backed:
    less visible pores
    See each claim

    claims, checked

    • Weakly Acidic Cleansing Gel Foamplausible, not tested
    • You will also like that 5 biome ingredients and plant derived ingredients groom the skin to be healthy.partly backed
    • ①KC Skin Clinical Research Center: judged to be a product that can help cleanse sunscreen products, fine dust simulant and impurities inside porespartly backed
    • ②KTR: antibacterial activity against 5 bacteria confirmedpartly backed
    • Take an appropriate amount of the contents, lather thoroughly with a small amount of water, then cleanse gently on the face as if massaging and rinse clean with lukewarm water.partly backed
    • Cleansing moistly and cleanly without tightnessoverstated
    • When you wet it, foam forms and it turns into a foam type. It cleanly cleanses everything from sunscreen to fine dust simulant and impurities inside pores.overstated

Often featured alongside it