Ethyl Glucoside is a mild, sugar-derived humectant that pulls water into the skin and improves product feel without common irritation.
Irritation
low
Source
semi-synthetic
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
Ethyl Glucoside is a mild, sugar-derived humectant that pulls water into the skin and improves product feel without common irritation.
Irritation
low
Source
semi-synthetic
Ethyl Glutamate is a mild, water-loving amino-acid derivative that helps attract moisture to the skin and supports a healthy barrier without irritation.
Irritation
low
Source
semi-synthetic
Ethyl lactate is a mild, effective humectant that helps hydrate skin without irritation, making it a good choice for sensitive skin types.
Irritation
low
Source
semi-synthetic
Humectant
ETHYL PHENYLALANINAMIDO POLYGAMMA-GLUTAMIC ACID
A biotech-derived ingredient that helps skin hold onto moisture and may support a firmer, smoother look.
Irritation
low
Source
biotech
Ethyl Serinate is a gentle amino acid derivative that helps attract moisture to the skin, but research on its long-term benefits is still limited.
Irritation
low
Source
semi-synthetic
A gentle, synthetic humectant that helps skin hold onto moisture without feeling sticky or heavy.
Irritation
low
Source
synthetic
A gentle seaweed extract that helps hydrate and soothe skin while forming a light protective layer.
Irritation
low
Source
natural
A gentle, hydrating seaweed extract that helps skin retain moisture and feel smooth, with low irritation risk.
Irritation
low
Source
natural
A gentle, algae-derived humectant that hydrates and soothes without clogging pores, ideal for sensitive or dry skin.
Irritation
low
Source
natural
A gentle, biotech-derived fenugreek extract that may help hydrate and support the skin barrier, though human research is still limited.
Irritation
low
Source
biotech
Humectant
BACILLUS/MONASCUS/APHANIZOMENON FLOS-AQUAE/RICE BRAN FERMENT FILTRATE
A gentle, fermented ingredient that may help hydrate and support the skin barrier, but research is still early.
Irritation
low
Source
biotech
Humectant
ASPERGILLUS/LACTOBACILLUS/APHANIZOMENON FLOS-AQUAE/RICE SEED EXTRACT FERMENT FILTRATE
A gentle, fermented ingredient that may help hydrate and soothe skin, though research is still emerging.
Irritation
low
Source
biotech
Humectant
LEUCONOSTOC/ALOE BARBADENSIS LEAF/SORBUS AUCUPARIA FRUIT FERMENT FILTRATE
A gentle fermented blend that may help hydrate and soothe skin while providing antioxidant benefits, though research is still emerging.
Irritation
low
Source
biotech
A gentle, fermented ingredient that may help hydrate and lightly exfoliate the skin, but research is mostly based on the broader benefits of ferments rather than this specific blend.
Irritation
low
Source
biotech
Humectant
Bacillus/Flavobacterium Multivorum/Extract/Sodium Carbonate Ferment Filtrate
A gentle, biotech-derived ferment filtrate that may help hydrate and support the skin barrier, but research is still early.
Irritation
low
Source
biotech
Humectant
HYDROLYZED ASPERGILLUS/SACCHAROMYCES/HORDEUM VULGARE FERMENT EXTRACT FILTRATE
A gentle, fermented ingredient that helps hydrate and condition skin without irritation, though its benefits come from a mix of compounds rather than a single active.
Irritation
low
Source
biotech
A gentle, probiotic-based ingredient that may help hydrate and calm the skin, but research is still emerging.
Irritation
low
Source
biotech
A gentle, fermented ingredient that hydrates and supports skin barrier function with antioxidant benefits.
Irritation
low
Source
biotech
A gentle, fermented coconut extract that helps hydrate and support a balanced skin microbiome — great for sensitive or microbiome-conscious routines.
Irritation
low
Source
biotech
Humectant
Bacillus/Dendropanax Morbiferus Sap Extract/Soybean Ferment Filtrate
A fermented botanical complex that may help hydrate and soothe skin, but research is still early.
Irritation
low
Source
biotech
A novel fermented ingredient that may offer hydration and skin barrier support, but research is limited and it may not suit strict vegans.
Irritation
low
Source
biotech
Humectant
VIOLA MANDSHURICA FLOWER/SYRINGA VULGARIS/(SOLANUM MELONGENA/VITIS VINIFERA) FRUIT WATER
A gentle, hydrating botanical water blend with antioxidant potential, but individual ingredient research is limited.
Irritation
low
Source
natural
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
Exfoliant
SACCHAROMYCES/APPLE FRUIT/APRICOT KERNEL/PEACH KERNEL/COIX LACRYMA-JOBI MA-YUEN SEED/SUCROSE FERMENT FILTRATE
A gentle, fermented blend that helps soften and smooth skin while providing light hydration and antioxidant benefits.
Irritation
low
Source
biotech
Humectant
SACCHAROMYCES/APPLE FRUIT/SWEET CHERRY FRUIT/SUCROSE FERMENT FILTRATE
A gentle, fermented fruit complex that hydrates and provides antioxidant benefits, but individual results vary and it may not suit all skin types.
Irritation
low
Source
biotech
Humectant
ASPERGILLUS/LACTOBACILLUS/SACCHAROMYCES/BARLEY/RICE/SOYBEAN SEED FERMENT FILTRATE
A gentle, fermented botanical complex that hydrates and supports skin barrier health with minimal irritation risk.
Irritation
low
Source
biotech
A fermented honey and amber complex that may help hydrate and soothe skin, but research is limited.
Irritation
low
Source
biotech
Humectant
Saccharomyces/Coix Lacryma-Jobi Ma-Yuen Seed Ferment Filtrate
A gentle fermented ingredient that hydrates and lightly exfoliates, suitable for most skin types.
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
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
A gentle, fermented botanical water that hydrates and soothes skin, though research is still emerging.
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 ferment that may help hydrate and soothe skin, but research is still early.
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
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
Humectant
LEUCONOSTOC/PASSIFLORA EDULIS PULP/SOY PROTEIN FERMENT LYSATE FILTRATE
A gentle fermented ingredient that helps hydrate and condition skin, but research on its specific benefits is still emerging.
Irritation
low
Source
biotech
A gentle fermented ingredient that lightly exfoliates and hydrates, ideal for dull or uneven skin.
Irritation
low
Source
biotech
A gentle fermented fruit extract that may help hydrate and protect the skin, though human research is still limited.
Irritation
low
Source
biotech
Humectant
LACTOBACILLUS/RAPESEED LEAF/RADISH ROOT/FRUCTOSE FERMENT FILTRATE
A gentle, fermented botanical complex that supports skin hydration and a balanced microbiome, ideal for sensitive or reactive skin types.
Irritation
low
Source
biotech
A gentle fermented algae ingredient that may help hydrate and soothe skin, but research is still early.
Irritation
low
Source
biotech
A gentle, fermented algae ingredient that hydrates and soothes skin with minimal irritation risk.
Irritation
low
Source
biotech
A fermented blend that may help hydrate and soothe skin, but research is still early and benefits are largely based on ingredient tradition rather than clinical studies.
Irritation
low
Source
biotech
Humectant
(ASPERGILLUS/SACCHAROMYCES)/RICE FERMENT/BARLEY GRAIN MEAL/NELUMBO NUCIFERA FLOWER EXTRACT FERMENT EXTRACT FILTRATE
A fermented botanical blend that may help hydrate and soothe skin, but research on this exact mixture is limited.
Irritation
low
Source
biotech
Humectant
LACTOBACILLUS/RHODOPSEUDOMONAS/SACCHAROMYCES/RICE BRAN/UNDARIA PINNATIFIDA FERMENT FILTRATE
A gentle, fermented blend that hydrates and soothes skin while supporting a healthy microbiome.
Irritation
low
Source
biotech
A gentle, fermented ingredient that helps hydrate and support the skin barrier with minimal irritation risk.
Irritation
low
Source
biotech
Humectant
HYDROLYZED ASPERGILLUS/SACCHAROMYCES/RICE FERMENT LEES EXTRACT
A gentle, fermented ingredient that helps hydrate and condition skin by delivering amino acids and peptides from rice and yeast.
Irritation
low
Source
biotech
A gentle, fermented rice filtrate that helps hydrate and condition skin, but its benefits are mostly anecdotal and vary by formulation.
Irritation
low
Source
biotech
Humectant
SACCHAROMYCES/ASPERGILLUS/HYDROLYZED RICE BRAN FERMENT LYSATE FILTRATE
A gentle, fermented ingredient that may help hydrate and condition the skin, though research is still emerging.
Irritation
low
Source
biotech
Humectant
Aspergillus/Defatted Rice Bran/Alcohol/Borneol Ferment Filtrate
A gentle, fermented ingredient that helps hydrate and support skin barrier function with antioxidant benefits.
Irritation
low
Source
biotech
A gentle fermented rice complex that may help hydrate and support the skin barrier, though research is still emerging.
Irritation
low
Source
biotech
A gentle, fermented ingredient that helps hydrate and condition skin, but research on its specific benefits is still emerging.
Irritation
low
Source
biotech
A gentle, fermented ingredient that may help hydrate, lightly exfoliate, and support a healthy-looking skin barrier.
Irritation
low
Source
biotech
Humectant
SACCHAROMYCES/(ASPARAGUS COCHINCHINENSIS/LYCIUM CHINENSE/OPHIOPOGON JAPONICUS/PANAX GINSENG/REHMANNIA GLUTINOSA) ROOT/PORIA COCOS FERMENT FILTRATE
A fermented botanical blend that may help hydrate and soothe skin, but research is limited to traditional use and lab studies.
Irritation
low
Source
biotech
Humectant
SACCHAROMYCES/MOLASSES/CABBAGE LEAF/(ARCTIUM LAPPA/CARROT/NELUMBO NUCIFERA/RADISH) ROOT FERMENT FILTRATE
A gentle, fermented botanical blend that may help hydrate and soothe skin, but research is limited to ingredient-level studies.
Irritation
low
Source
biotech
A gentle fermented ingredient that may help hydrate and soothe the skin, but research is still limited.
Irritation
low
Source
biotech
A gentle, fermented marine ingredient that may help hydrate and soothe the skin, though research is still limited.
Irritation
low
Source
biotech
Humectant
Saccharomyces/Carrageenan Extract/Sarcodiotheca Gaudichaudii Extract Ferment
A fermented seaweed complex that may help hydrate and soothe skin, but research is still early.
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
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
A gentle, fermented ingredient that delivers skin-soothing peptides and hydration, ideal for sensitive and dry skin types.
Irritation
low
Source
biotech