A gentle, probiotic-fermented kale extract that provides antioxidant support and postbiotic benefits for balanced, healthy-looking skin.
Irritation
low
Source
biotech
Beauty ingredient research
Browse the review database to understand what an ingredient is, what it does in a beauty formula, when it is useful, and when it deserves caution across skincare, haircare, bodycare, makeup, and more.
20769
Reviewed ingredients
524
Low-concern standouts
2884
Need usage caution
A gentle, probiotic-fermented kale extract that provides antioxidant support and postbiotic benefits for balanced, healthy-looking skin.
Irritation
low
Source
biotech
Skin conditioning
BIFIDOBACTERIUM/LACTOBACILLUS ACANTHOPANAX KOREANUM ROOT EXTRACT FERMENT
A fermented ginseng extract that may help soothe and condition skin, but human research is still limited.
Irritation
low
Source
biotech
Antioxidant
Saccharomyces/(Angelica Gigas/Cnidium Officinale/Paeonia Lactiflora/Rehmannia Glutinosa) Root Extract Ferment Filtrate
A fermented blend of traditional Korean roots that may help calm and protect the skin, though human studies are limited.
Irritation
low
Source
biotech
Soothing Agent
LACTOBACILLUS/AGASTACHE RUGOSA LEAF/STEM EXTRACT FERMENT FILTRATE
A fermented botanical extract that may help calm skin and provide antioxidant protection, though research is still emerging.
Irritation
low
Source
biotech
A gentle, fermented ingredient that may help hydrate and support the skin barrier, though research is still early.
Irritation
low
Source
biotech
Antioxidant
LACTOBACILLUS/PUERARIA THUNBERGIANA FLOWER/LEAF/STEM EXTRACT FERMENT
A gentle, fermented kudzu extract that may help calm skin and fight environmental stress, but research is still early.
Irritation
low
Source
biotech
Skin conditioning
LACTOBACILLUS/PUERARIA LOBATA ROOT EXTRACT FERMENT FILTRATE
A gentle, fermented botanical extract that may help soothe and protect skin, but research is still emerging and benefits are largely based on traditional use and fermentation science.
Irritation
low
Source
biotech
Antioxidant
BACILLUS/MONASCUS/LAVANDULA ANGUSTIFOLIA SPROUT/RICE BRAN FERMENT FILTRATE
A fermented botanical complex that may offer antioxidant and soothing benefits, but research is still early and individual results can vary.
Irritation
low
Source
biotech
Antioxidant
NEOLENTINUS LEPIDEUS/STACHYS RIEDERI ROOT EXTRACT FERMENT FILTRATE
A fermented botanical blend that may help calm skin and fight free radicals, though research is still early.
Irritation
low
Source
biotech
A gentle, fermented botanical extract that may help calm skin and fight environmental stress, though research is still emerging.
Irritation
low
Source
biotech
A fermented lichen extract that may help calm skin and fight environmental stress, but research is still early.
Irritation
low
Source
biotech
Soothing Agent
Saccharomyces/Licorice Root Extract/Rice Ferment Extract Filtrate
A fermented botanical complex that combines the brightening and soothing properties of licorice root with the nourishing benefits of rice, enhanced by yeast fermentation for potentially better absorption.
Irritation
low
Source
biotech
Antioxidant
SACCHAROMYCES/GLYCYRRHIZA GLABRA/GLYCYRRHIZA URALENSIS LEAF/STEM FERMENT EXTRACT
A fermented licorice extract that may help calm and protect skin, though research on this specific ferment is limited.
Irritation
low
Source
biotech
Soothing Agent
STREPTOCOCCUS THERMOPHILUS/LACTOBACILLUS/BIFIDOBACTERIUM/LICORICE ROOT EXTRACT FERMENT FILTRATE
A fermented botanical complex that may help calm skin and provide antioxidant benefits, though research is still emerging.
Irritation
low
Source
biotech
A fermented licorice root extract that helps calm redness and even out skin tone with minimal irritation risk.
Irritation
low
Source
natural
A gentle, antioxidant-rich fermented fruit extract that may help brighten and smooth skin without harsh irritation.
Irritation
low
Source
biotech
A gentle, fermented ingredient that may help strengthen the skin barrier and fight oxidative stress, though research is still emerging.
Irritation
low
Source
biotech
Humectant
HERICIUM ERINACEUS/LACTOBACILLUS/LEUCONOSTOC/HIPPOPHAE RHAMNOIDES LEAF/STEM FERMENT FILTRATE
A fermented blend of Lion's Mane mushroom and sea buckthorn that may help hydrate and soothe skin, though research is still early.
Irritation
low
Source
biotech
Soothing Agent
LACTOBACILLUS/PIPER LONGUM FRUIT/SANGUISORBA OFFICINALIS ROOT EXTRACT FERMENT FILTRATE
A fermented botanical extract that may help calm redness and support a healthy skin barrier, though human studies are limited.
Irritation
low
Source
biotech
Antioxidant
BACILLUS/DIMOCARPUS LONGAN FRUIT/SOYBEAN FERMENT FILTRATE
A gentle, fermented botanical complex that may help protect skin from environmental stress and improve hydration, though human research is still limited.
Irritation
low
Source
biotech
Antioxidant
AUREOBASIDIUM PULLULANS/DIMOCARPUS LONGAN FRUIT EXTRACT FERMENT FILTRATE
A gentle, fermented botanical extract that may offer antioxidant benefits and light hydration, but research is still emerging.
Irritation
low
Source
biotech
Soothing agent
KLUYVEROMYCES/LACTOBACILLUS/NELUMBO NUCIFERA SEED OIL FERMENT FILTRATE
A fermented botanical complex that may help calm redness and support a healthy skin barrier, though human studies are limited.
Irritation
low
Source
biotech
A gentle, fermented botanical water that hydrates and soothes skin, though research is still emerging.
Irritation
low
Source
biotech
Skin Conditioning
LACTOBACILLUS/STREPTOCOCCUS THERMOPHILUS/LEPIDIUM MEYENII HYPOCOTYL FERMENT FILTRATE
A fermented maca root extract that may offer antioxidant and skin-soothing benefits, but research is still emerging.
Irritation
low
Source
biotech
Emollient
Pseudozyma Epicola/Macadamia Seed Oil Ferment Extract Filtrate
A gentle, fermented oil extract that helps soften and soothe skin while supporting a healthy moisture barrier.
Irritation
low
Source
biotech
Antioxidant
Kluyveromyces/Lactobacillus/Machilus Thunbergii Bark Oil Ferment Filtrate
A fermented botanical complex that may help calm and protect skin, but research is still early.
Irritation
low
Source
biotech
A fermented oil extract that combines traditional emollience with modern biotech, but research on its unique benefits is still limited.
Irritation
low
Source
biotech
Antioxidant
BACILLUS/TAGETES PATULA FLOWER/SOYBEAN FERMENT FILTRATE
A gentle, fermented botanical complex that may help calm skin and provide antioxidant support, though research is still early.
Irritation
low
Source
biotech
Humectant
BACILLUS/COMAMONAS/LYSINIBACILLUS/NONFAT DRY MILK/HYDROLYZED SEA BREAM SCALES FERMENT FILTRATE
A fermented blend of milk and fish scale proteins that may help hydrate and soothe skin, but research is still early.
Irritation
low
Source
biotech
A fermented botanical extract with promising antioxidant activity, but more human studies are needed to confirm its benefits.
Irritation
low
Source
biotech
Soothing agent
PSEUDOZYMA EPICOLA/MEADOWFOAM SEED OIL FERMENT EXTRACT FILTRATE
A gentle, biotech-derived ingredient that may help calm irritation and support the skin barrier, though research is still emerging.
Irritation
low
Source
biotech
Skin Conditioning Agent
STREPTOCOCCUS THERMOPHILUS/CYCLOPIA INTERMEDIA LEAF/STEM EXTRACT/LACTOSE/WHOLE DRY MILK FERMENT
A gentle, fermented blend of milk and honeybush that may help soothe and condition the skin, though research is still emerging.
Irritation
low
Source
biotech
A gentle, probiotic-based ingredient that may help calm irritation and support a healthy skin barrier, especially for sensitive or reactive skin.
Irritation
low
Source
biotech
A gentle probiotic ferment that may help hydrate and soothe skin, but research is still early.
Irritation
low
Source
biotech
Skin conditioning agent
KAZACHSTANIA/KLUYVEROMYCES/LACTOBACILLUS/NONFAT MILK FERMENT POWDER
A gentle, probiotic-derived ingredient that may help soften skin and support a healthy skin barrier without harsh irritation.
Irritation
low
Source
biotech
A gentle, fermented grain extract that may help protect skin from environmental stress and support a healthy-looking complexion.
Irritation
low
Source
biotech
Skin conditioning agent
Saccharomyces/Magnesium/Potassium/Sodium/Sulfur/Zinc Ferment Lysate Filtrate
A gentle, mineral-rich yeast ferment that supports skin barrier function and hydration without irritation.
Irritation
low
Source
biotech
Skin Conditioning
Bacillus/Morchella Esculenta/Soybean Ferment Filtrate
A gentle fermented extract that may help support skin barrier function and provide antioxidant benefits, though human studies are limited.
Irritation
low
Source
biotech
Antioxidant
Bacillus/Morus Alba Leaf/Soybean Seed Ferment Filtrate
A gentle, fermented botanical complex that may help calm skin and provide antioxidant support, but research is still emerging.
Irritation
low
Source
biotech
Antioxidant
LACTOBACILLUS/CUDRANIA TRICUSPIDATA BARK EXTRACT FERMENT FILTRATE
A fermented bark extract that may help calm skin and fight oxidative stress, but research is still early.
Irritation
low
Source
biotech
A gentle fermented botanical extract that may help even out skin tone and defend against environmental stress.
Irritation
low
Source
biotech
Antioxidant
Phellinus Linteus/Morus Bombycis Wood Powder Ferment Extract
A fermented botanical extract that may help calm skin and fight free radicals, but research is still early.
Irritation
low
Source
biotech
Skin conditioner
Saccharomyces/Antler Velvet/Arbutin/Citrus Limon Fruit/Ganoderma Lucidum Stem/Panax Ginseng Root/Pinus Sylvestris Bud/Propagermanium/Royal Jelly/Salmon Egg/Turtle Oil Ferment Extract Filtrate
A complex fermented blend with potential antioxidant benefits, but limited research and possible irritation for sensitive skin.
Irritation
moderate
Source
mixed
Emollient
CANDIDA TSUKUBAENSIS/ARGANIA SPINOSA KERNEL OIL/OLIVE FRUIT OIL/ (ADANSONIA DIGITATA/CAMELLIA SINENSIS/ORBIGNYA OLEIFERA/CALOPHYLLUM INOPHYLLUM) SEED OIL/ PHASEOLUS RADIATUS SEED EXTRACT FERMENT FILTRATE
A fermented blend of nutrient-rich oils and seed extract that may boost skin softness and antioxidant protection, though individual oil sensitivities vary.
Irritation
low
Source
biotech
A gentle, fermented botanical extract that may help hydrate and soothe skin while supporting a healthy microbiome.
Irritation
low
Source
biotech
Antioxidant
Bacillus/Pentaclethra Macroloba Seed Oil Ferment Extract Filtrate
A fermented botanical oil extract that may help protect skin from environmental stress while providing gentle conditioning, though research is still early.
Irritation
low
Source
biotech
Soothing agent
HERICIUM ERINACEUS/LACTOBACILLUS/LEUCONOSTOC/ARTEMISIA CAPILLARIS LEAF/STEM FERMENT FILTRATE
A fermented blend of lion's mane mushroom and mugwort that may help calm skin and support a healthy moisture barrier, though human studies are limited.
Irritation
low
Source
biotech
Antioxidant
Grifola Frondosa Root/Rice Seed/Citrus Unshiu Peel/Carthamus Tinctorius Flower Ferment Filtrate Extract
A gentle, fermented botanical complex that may help soothe and protect skin, but research on this specific blend is limited.
Irritation
low
Source
natural
Antioxidant
Schizophyllum Commune/Citrus Unshiu Peel Extract Ferment Filtrate
A gentle, antioxidant-rich ferment that may help soothe and protect skin, but research is still early.
Irritation
low
Source
biotech
Antioxidant
Grifola Frondosa/Ophioglossum Vulgatum Extract Ferment Filtrate
A fermented botanical blend that may offer antioxidant and soothing benefits, but research is limited to traditional use and lab studies.
Irritation
low
Source
natural
Skin conditioning
HERICIUM ERINACEUS/LACTOBACILLUS/LEUCONOSTOC/MORUS ALBA LEAF/STEM FERMENT FILTRATE
A fermented botanical complex that may help soothe and condition skin, but research is still early and benefits are not yet proven in large human studies.
Irritation
low
Source
biotech
Antioxidant
Laetiporus Sulphureus Mycelium/Salvia Plebeia Extract Ferment Filtrate
A gentle, antioxidant-rich ferment that may help calm skin and defend against environmental stress, though human studies are still limited.
Irritation
low
Source
biotech
Soothing agent
LACTOBACILLUS/GANODERMA LUCIDUM EXTRACT/LENTINUS EDODES EXTRACT FERMENT FILTRATE
A fermented mushroom complex that may help calm skin and support a healthy barrier, though human studies are still limited.
Irritation
low
Source
biotech
Antioxidant
LACTOBACILLUS/SPARASSIS CRISPA FRUITING BODY/GLUCOSE FERMENT EXTRACT
A gentle, fermented mushroom extract that may help calm skin and fight oxidative stress, though research is still emerging.
Irritation
low
Source
biotech
Antioxidant
NOSTOC COMMUNE/HYDRANGEA SERRATA LEAF/SOYBEAN FERMENT FILTRATE
A gentle, fermented botanical complex that may help soothe and hydrate skin while providing antioxidant support.
Irritation
low
Source
biotech
Exfoliant
Aspergillus/Walnut Seed/Peach Seed/Apricot Seed/Prunus Mume Seed Ferment Filtrate
A gentle fermented seed complex that helps soften and smooth skin without harsh scrubbing, but research is still emerging.
Irritation
low
Source
biotech
Humectant
LEUCONOSTOC/SACCHAROMYCES/OCTOPUS MANTLE FERMENT EXTRACT FILTRATE
A novel fermented marine ingredient that may support hydration and skin barrier function, but human research is very limited.
Irritation
low
Source
biotech
Skin conditioning
Pseudozyma Epicola/Soybean Flour/Apricot Kernel Oil/Olive Fruit Oil/Sunflower Seed Oil/Sweet Almond Oil/Angelica Gigas Root Extract Ferment Extract Filtrate
A gentle, fermented blend of oils and root extract that helps calm and condition the skin, though research on this specific complex is limited.
Irritation
low
Source
biotech
Emollient
CANDIDA TSUKUBAENSIS/OLIVE FRUIT OIL/ (ADANSONIA DIGITATA/ORBIGNYA OLEIFERA/CALOPHYLLUM INOPHYLLUM) SEED OIL/ PHASEOLUS RADIATUS SEED EXTRACT FERMENT EXTRACT
A fermented oil blend that may offer gentle nourishment, but its complexity makes it hard to predict individual reactions.
Irritation
low
Source
biotech
Emollient
KLUYVEROMYCES/LACTOBACILLUS/ADANSONIA DIGITATA SEED OIL/CALOPHYLLUM INOPHYLLUM SEED OIL/OLIVE SEED OIL/ORBIGNYA OLEIFERA SEED OIL/PHASEOLUS RADIATUS SEED OIL FERMENT FILTRATE
A fermented oil blend that combines multiple plant oils with probiotics to support skin barrier function and provide antioxidant benefits.
Irritation
low
Source
mixed