Ingredient Dictionary

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

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.
Emollient

Isopropyl Palmitate

The classic, heavy-duty skin smoother.
Functional / Support

Isopropyl Titanium Triisostearate

The advanced surface treatment for pigments.
Antioxidant

Isoquercetin

The super-absorbent anti-allergy antioxidant.