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
Humectant
SACCHAROMYCES/CAMELLIA JAPONICA SEED OIL/GLYCERIN FERMENT FILTRATE
A gentle, fermented ingredient that provides hydration and supports a healthy-looking skin barrier, though research is still emerging.
Irritation
low
Source
biotech
Antioxidant
BACILLUS/MONASCUS/BORAGO OFFICINALIS SEED/SOYBEAN FERMENT FILTRATE
A gentle, antioxidant-rich ferment that may help soothe and condition skin, but research is still emerging.
Irritation
low
Source
biotech
Antioxidant
Lactobacillus/Evening Primrose Seed Ferment Extract Filtrate
A gentle, fermented botanical extract that may help calm and protect the skin, though research is still emerging.
Irritation
low
Source
biotech
Hydrolyzed caviar extract is a luxury humectant that provides surface moisture and amino acids, but its anti-aging benefits are not strongly supported by independent research.
Irritation
low
Source
natural
A novel, protein-rich ingredient from bird nests that may support skin hydration and elasticity, but human evidence is limited.
Irritation
low
Source
natural