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
Skin conditioning agent
BACILLUS/MONASCUS/ARALIA CORDATA ROOT/SOYBEAN FERMENT FILTRATE
A fermented botanical complex that may support skin barrier function and hydration, but research is limited to lab studies.
Irritation
low
Source
biotech
Skin conditioning agent
Bifida/Cornus Officinalis Fruit/Angelica Acutiloba Root/Deer Antler/Thymus Vulgaris Leaf Ferment Filtrate
A fermented multi-ingredient complex that may help calm and condition the skin, but research is limited and individual ingredient effects are not well-studied in this blend.
Irritation
low
Source
biotech
Skin conditioning
LACTOBACILLUS/CORDYCEPS MILITARIS/OPHIOPOGON JAPONICUS ROOT EXTRACT FERMENT FILTRATE
A fermented botanical extract that may help soothe and condition skin, but research is still early and benefits are not guaranteed.
Irritation
low
Source
biotech
Skin conditioning
LACTOBACILLUS/PROPIONIBACTERIUM/LACTOSE/LEMON FRUIT/DATE FRUIT/FIG FRUIT/WALNUT NUT/SOYBEAN/ONION BULB/SOYBEAN SPROUT/CELERY BULB/COCONUT FRUIT/ARTICHOKE BUDS/MILLET SEED/PEA POD FERMENT FILTRATE
A rich ferment blend that may help balance skin bacteria and provide antioxidant protection, but its complexity makes it hard to pinpoint exact benefits.
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
Skin Conditioner
Bacillus/Monascus/Capsella Bursa-Pastoris Leaf/Rice Bran Ferment Filtrate
A fermented botanical complex that may support skin hydration and antioxidant defense, but research is still early.
Irritation
low
Source
biotech
Skin conditioning
BACILLUS/MONASCUS/PSILOTUM NUDUM LEAF/RICE BRAN FERMENT FILTRATE
A gentle, fermented botanical complex that may support skin barrier function and provide antioxidant benefits, though human research is limited.
Irritation
low
Source
biotech
Antioxidant
BACILLUS/DENDROPANAX MORBIFERA SAP EXTRACT/SOYBEAN FERMENT FILTRATE
A fermented plant extract blend that may offer gentle antioxidant and skin-soothing benefits, but research is limited.
Irritation
low
Source
biotech
Skin conditioning agent
LACTOBACILLUS/LACTOCOCCUS/SACCHAROMYCES/SOYMILK FERMENT
A gentle, probiotic-inspired ferment that helps hydrate and soothe the skin while supporting a healthy-looking barrier.
Irritation
low
Source
biotech
Skin conditioning agent
LACTOBACILLUS/SACCHAROMYCES/MOLASSES/CALCIUM CARBONATE/YEAST EXTRACT FERMENT FILTRATE
A gentle fermented ingredient that supports a healthy skin microbiome and lightly exfoliates without harshness.
Irritation
low
Source
biotech
A fermented probiotic-ginseng blend that may help strengthen the skin barrier and calm sensitivity, but more human studies are needed.
Irritation
low
Source
biotech
Skin conditioning agent
BIFIDA/ENTEROCOCCUS FAECIUM/LACTOBACILLUS/STREPTOCOCCUS THERMOPHILUS/SOYMILK/NONFAT MILK FERMENT CURD
A gentle, fermented milk complex that may help soothe and hydrate skin while supporting a healthy microbiome.
Irritation
low
Source
biotech
Skin conditioning
Lactococcus/Leuconostoc/Lactobacillus/Zygosaccharomyces/Milk Ferment
A gentle probiotic ferment that may help balance skin’s microbiome and provide mild exfoliation without harsh irritation.
Irritation
low
Source
biotech