Ingredient Dictionary

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

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.

Emollient

Isohexadecane

The thick, rich texture enhancer.

Hydrator / Humectant

Isoleucine

The barrier-repairing amino acid.

Hydrator / Humectant

Isomalt

The functional, moisture-binding sugar alcohol.

Emollient

Isononyl Isononanoate

The luxurious, skin-softening fluid.

Hydrator / Humectant

Isopentyldiol

The flash-absorbing moisture booster.

Functional / Support

Isopropyl Alcohol

🚨 AVOID: The severely stripping, toxic solvent.

Emollient

Isopropyl Isostearate

The highly spreading, rich ester.

Emollient

Isopropyl Lauroyl Sarcosinate

The highly spreading, ceramide-like ester.

Functional / Support

Isopropyl Myristate

The penetration enhancer that feels like silk... but clogs pores.