A gentle, plant-derived extract that may help calm skin and provide antioxidant protection, though research is still emerging.
Irritation
low
Source
natural
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, plant-derived extract that may help calm skin and provide antioxidant protection, though research is still emerging.
Irritation
low
Source
natural
Cucumber extract is a gentle, water-rich ingredient that helps calm and hydrate skin, making it a popular choice for sensitive or irritated skin types.
Irritation
low
Source
natural
A gentle, plant-based juice that may help calm irritated skin and provide antioxidant protection, though research is still emerging.
Irritation
low
Source
natural
A gentle, probiotic-inspired ingredient that helps calm irritation and reinforce the skin's natural defenses.
Irritation
low
Source
biotech
A gentle, nature-derived extract that may help soothe and condition skin, but scientific evidence is still limited.
Irritation
low
Source
natural
A mild, plant-derived water that may help calm skin and provide antioxidant protection, but research on topical benefits is still limited.
Irritation
low
Source
natural
Ectoin is a gentle, multi-tasking ingredient that hydrates, soothes, and shields the skin from environmental stress—great for sensitive or reactive skin.
Irritation
low
Source
natural
Elderflower water is a gentle, fragrant hydrosol that can help soothe and lightly tone the skin without stripping moisture.
Irritation
low
Source
natural
Skin Conditioning
Lactobacillus/Eleuthero Root Extract Ferment Filtrate
A fermented root extract that soothes and defends skin with antioxidants, but its benefits depend on the fermentation process and overall formula.
Irritation
low
Source
biotech
A mild, aromatic floral water that offers gentle soothing and antioxidant benefits, but with limited research specific to skincare.
Irritation
low
Source
natural
A gentle, aromatic water that adds a refreshing feel and subtle soothing benefits, but research on this specific species is limited.
Irritation
low
Source
natural
Eyebright water is a mild, plant-based hydrosol that may help calm irritated skin, but scientific evidence for its cosmetic benefits is limited.
Irritation
low
Source
natural
Fennel Water is a mild, aromatic botanical water that can help soothe and refresh the skin, but its benefits are mostly anecdotal and it may cause sensitivity in those allergic to plants in the Apiaceae family.
Irritation
low
Source
natural
Fenugreek sprout juice is a gentle, antioxidant-rich ingredient that helps soothe and hydrate the skin, making it a great addition to calming formulations.
Irritation
low
Source
natural
Antioxidant
BACILLUS/APHANIZOMENON FLOS-AQUAE/SOYBEAN FERMENT FILTRATE
A gentle, fermented blend that may help calm skin and defend against environmental stress, though research is still emerging.
Irritation
low
Source
biotech
Soothing Agent
Aloe Arborescens Leaf Extract, Pinus Densiflora Leaf Extract, Saccharomyces Ferment Lysate Filtrate
A gentle fermented blend of aloe and pine that may help calm irritation and support hydration, though research on this specific combination is limited.
Irritation
low
Source
mixed
Skin conditioning
LACTOBACILLUS/ALOE BARBADENSIS LEAF/LIQUIDAMBAR STYRACIFLUA FERMENT FILTRATE
A gentle fermented ingredient that may help soothe and condition skin, but research is still limited.
Irritation
low
Source
biotech
Soothing agent
Kluyveromyces/Lactobacillus/Artemisia Princeps Leaf Oil Ferment Filtrate
A fermented botanical complex that may help calm irritation and support a balanced skin microbiome, though human studies are limited.
Irritation
low
Source
biotech
Soothing Agent
LACTOBACILLUS/LEUCONOSTOC/ARTEMISIA ANNUA EXTRACT/POLYSORBATE 80 FERMENT LYSATE FILTRATE
A fermented botanical extract with potential antioxidant and soothing properties, but research on its topical benefits is still emerging.
Irritation
low
Source
biotech
Soothing Agent
Pseudozyma Epicola/Soybean Flour/Apricot Kernel Oil/Olive Fruit Oil/Sweet Almond Oil/Sunflower Seed Oil/Licorice Root Extract Ferment Extract Filtrate
A fermented blend of nourishing oils and licorice root extract that may offer gentle soothing and barrier support, though research on this specific complex is limited.
Irritation
low
Source
biotech
Antioxidant
STREPTOCOCCUS THERMOPHILUS/ANGELICA GIGAS ROOT/CIMICIFUGA RACEMOSA ROOT/PUERARIA LOBATA ROOT/PUNICA GRANATUM FRUIT/SCHISANDRA CHINENSIS FRUIT EXTRACT FERMENT FILTRATE
A fermented blend of roots and fruits that may offer antioxidant and soothing benefits, but research is limited to the individual ingredients rather than this specific complex.
Irritation
low
Source
biotech
Antioxidant
Saccharomyces/Lactobacillus/Mandarin Orange Peel/Phellinus Linteus/Pinus Densiflora Leaf Ferment Filtrate
A fermented botanical blend that may help calm skin and provide antioxidant support, but human research is still limited.
Irritation
low
Source
biotech
Soothing Agent
KLUYVEROMYCES/LACTOBACILLUS/CNIDIUM OFFICINALE ROOT OIL FERMENT FILTRATE
A fermented botanical oil that may help calm irritation and provide antioxidant protection, though research is still emerging.
Irritation
low
Source
biotech
Antioxidant
LACTOBACILLUS/DENDROPANAX MORBIFERUS LEAF/STEM EXTRACT FERMENT FILTRATE
A gentle, fermented botanical extract that may help calm skin and fight environmental stress, but research is still early.
Irritation
low
Source
biotech
Humectant
SACCHAROMYCES/APPLE FRUIT/HONEY/PANAX GINSENG ROOT/ROYAL JELLY/SUCROSE FERMENT FILTRATE
A fermented botanical blend that may help hydrate and soothe skin while supporting a healthy skin microbiome.
Irritation
low
Source
biotech
Soothing Agent
Aspergillus/Lactobacillus/Ginger Root/Rice Ferment Filtrate
A gentle fermented blend that may help calm skin and provide antioxidant benefits, though human studies are limited.
Irritation
low
Source
biotech
Soothing Agent
SACCHAROMYCES/HONEY/PANAX GINSENG ROOT EXTRACT/PORIA COCOS EXTRACT/REHMANNIA GLUTINOSA ROOT EXTRACT FERMENT FILTRATE
A fermented botanical blend that may help soothe and protect the skin, though research on the specific mixture is limited.
Irritation
low
Source
biotech
A gentle probiotic ferment that may help smooth texture and support a healthy skin barrier, but research is still emerging.
Irritation
low
Source
biotech
Antioxidant
PAECILOMYCES JAPONICA/GRAPE/CUCUMBER JUICE EXTRACT FERMENT FILTRATE
A gentle fermented ingredient that may help soothe skin and provide antioxidant benefits, though research is still emerging.
Irritation
low
Source
biotech
Antioxidant
SACCHAROMYCES/LYCIUM CHINENSE FRUIT/REHMANNIA GLUTINOSA ROOT/CUSCUTA CHINENSIS FRUIT/CISTANCHE DESERTICOLA/ZANTHOXYLUM PIPERITUM FRUIT/CHRYSANTHEMUM MORIFOLIUM FRUIT/PORIA COCOS/ CINNAMOMUM CASSIA FERMENT
A fermented blend of herbs and mushrooms that may offer antioxidant and soothing benefits, though research on the specific mixture is limited.
Irritation
low
Source
biotech
A fermented botanical that may help calm puffiness and support a more even skin tone, but evidence is mostly from the raw horse chestnut ingredient.
Irritation
low
Source
biotech
Soothing Agent
LACTOBACILLUS/HOUTTUYNIA CORDATA LEAF EXTRACT/VOLCANIC ASH FERMENT FILTRATE
A fermented botanical-mineral complex that aims to calm irritation and support a balanced skin microbiome, though human studies are limited.
Irritation
low
Source
biotech
Antioxidant
KLUYVEROMYCES/LACTOBACILLUS/ZIZYPHUS JUJUBA FRUIT OIL FERMENT FILTRATE
A fermented botanical oil complex that may help soothe and protect the skin, though research is still emerging.
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
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
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
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 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
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
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
Soothing Agent
KLUYVEROMYCES/LACTOBACILLUS/PLUMERIA ALBA FLOWER OIL FERMENT FILTRATE
A gentle, fermented botanical oil that may help calm irritation and support a healthy skin barrier.
Irritation
low
Source
biotech
A gentle, fermented botanical extract that may help calm skin and provide antioxidant protection, though research is still emerging.
Irritation
low
Source
biotech
A gentle, fermented algae ingredient that hydrates and soothes skin with minimal irritation risk.
Irritation
low
Source
biotech
Antioxidant
BACILLUS/MONASCUS/HOUTTUYNIA CORDATA LEAF/RICE BRAN FERMENT FILTRATE
A fermented botanical complex that may help calm skin and fight oxidative stress, but research is still early.
Irritation
low
Source
biotech
Skin Conditioning
BACILLUS/MONASCUS/RICE BRAN/TAGETES ERECTA SPROUT FERMENT FILTRATE
A gentle, fermented blend that may support skin barrier function and provide antioxidant benefits, though research is still emerging.
Irritation
low
Source
biotech
Soothing Agent
LACTOBACILLUS/SACCHAROMYCES/RICE BRAN EXTRACT/SOPHORA JAPONICA ROOT EXTRACT FERMENT FILTRATE
A fermented botanical complex that may help calm irritation and defend against environmental stress, but research is still emerging.
Irritation
low
Source
biotech
Antioxidant
LACTOBACILLUS/RICE BRAN/SACCHAROMYCES/CAMELLIA SINENSIS LEAF EXTRACT FERMENT
A fermented botanical complex that combines rice bran and green tea to deliver antioxidants and gentle exfoliation, ideal for dull or stressed skin.
Irritation
low
Source
biotech
Antioxidant
LACTOBACILLUS/APRICOT KERNEL/(ASPARAGUS COCHINCHINENSIS/ACONITUM KOREANUM/ANGELICA DAHURICA/CNIDIUM OFFICINALE) ROOT EXTRACT FERMENT FILTRATE
A fermented botanical complex that may offer antioxidant and soothing benefits, but research is limited and individual plant effects are not well-studied in this specific blend.
Irritation
low
Source
biotech
Antioxidant
(ANGELICA GIGAS/GLYCYRRHIZA URALENSIS/REHMANNIA GLUTINOSA ROOT)/ANGELICA GIGAS STEM/CARTHAMUS TINCTORIUS FLOWER/(CARTHAMUS TINCTORIUS/PRUNUS PERSICA SEED)PORIA COCOS WATER
A soothing, antioxidant-rich fermented botanical blend that may calm skin and support a healthy glow, but research on the specific combination is limited.
Irritation
low
Source
natural
Antioxidant
Paecilomyces Japonica/Trichosanthes Kirilowii Root Ferment Extract Filtrate
A gentle, fermented botanical complex that may help calm skin and provide antioxidant support, though research is still emerging.
Irritation
low
Source
biotech
Soothing agent
ENTEROCOCCUS FAECIUM/SAURURUS CHINENSIS EXTRACT FERMENT FILTRATE
A fermented herb extract that may help calm redness and support a healthy skin barrier, but research is still early.
Irritation
low
Source
biotech
A gentle, fermented seaweed ingredient that helps calm irritation and defend against environmental stress, ideal for sensitive or reactive skin.
Irritation
low
Source
biotech
Humectant
LACTOBACILLUS/SACCHAROMYCES/POLYGONATUM SIBIRICUM RHIZOME FERMENT EXTRACT
A gentle, fermented botanical extract that may help hydrate and soothe skin, though research is still emerging.
Irritation
low
Source
biotech
Soothing Agent
LACTOBACILLUS/SOYMILK/PEUCEDANUM JAPONICUM LEAF/STEM FERMENT FILTRATE
A fermented botanical blend that may help calm skin and provide antioxidant support, but research is limited.
Irritation
low
Source
biotech
Skin conditioning
Hydrolyzed Bifida/Enterococcus Faecium/Lactobacillus/Streptococcus Thermophilus/Soymilk Ferment Curd
A fermented probiotic blend that may help balance the skin's microbiome and strengthen the moisture barrier, though human studies are limited.
Irritation
low
Source
biotech
Skin conditioning
BIFIDA/ENTEROCOCCUS FAECIUM/LACTOBACILLUS/STREPTOCOCCUS THERMOPHILUS/SOYMILK FERMENT CURD
A probiotic-rich fermented soy complex that may help balance the skin microbiome and soothe irritation, though research is still emerging.
Irritation
low
Source
biotech
Soothing agent
Kluyveromyces/Lactobacillus/Camellia Japonica Seed Oil/Camphor Bark Extract Ferment Filtrate
A fermented botanical blend that may help calm skin and provide antioxidant support, though research is still limited.
Irritation
low
Source
biotech
Soothing agent
LACTOBACILLUS/SACCHAROMYCES/PICHIA ANOMALA/CAMELLIA SINENSIS LEAF EXTRACT/ARTEMISIA PRINCEPS LEAF EXTRACT/HONEY FERMENT FILTRATE
A fermented botanical blend that may help calm redness and support a healthy skin barrier, though research is still emerging.
Irritation
low
Source
biotech
Antioxidant
ASPERGILLUS/LACTOBACILLUS/SACCHAROMYCES/ONION/CELERY/CABBAGE/GINGER/GARLIC/POTATO/BRASSICA OLERACEA ACEPHALA/ALOE BARBADENSIS/LAMINARIA JAPONICA/UNDARIA PINNATIFIDA/IPOMOEA BATATAS/OENANTHE JAVANICA/NELUMBO NUCIFERA/ALLIUM TUBEROSUM/ALLIUM FISTULOSUM/DIOSCOREA BATATAS/ACTINIDIA ARGUTA/COLOCASIA ESCULENTA/ARCTIUM LAPPA/LENTINULA EDODES/ROOT/FRUIT FERMENT FILTRATE EXTRACT
A fermented botanical complex that may offer antioxidant and soothing benefits, but individual ingredient concentrations are unknown.
Irritation
low
Source
natural