Ingredient Dictionary

Browse our entire database of scientifically-backed cosmetic ingredients. Uncover the chemistry behind your favorite skincare products.

Soothing / Anti-Inflammatory

Inula Helenium Extract

The botanical shield against blue light.
Functional / Support

Inulin

The protective food for good skin bacteria.
Functional / Support

Iron Oxides

The mineral tint that blocks blue light.
UV Filter

Iscotrizinol

The hyper-water-resistant UVB and UVA2 filter.
Emollient

Isoamyl Cocoate

The eco-certified, feather-light emollient.
Emollient

Isoamyl Laurate

The eco-certified, velvety ester.
UV Filter

Isoamyl p-Methoxycinnamate

The modern, highly effective UVB absorber.
Active Ingredients

Isobutylamido Thiazolyl Resorcinol

The patented, clinically unmatched melasma eraser.
Surfactant

Isoceteth-20

Emulsifier (causes foaming).
Emollient

Isocetyl Stearate

The heavy-duty, fast-absorbing ester.
Emollient

Isodecyl Neopentanoate

The volatile silicone replacement.
Emollient

Isododecane

The volatile solvent that makes products matte.