Ingredient Dictionary

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

Active Ingredients

Pelvetia Canaliculata Extract

The DHEA-mimicking brown algae.
Emollient

Pentaclethra Macroloba Seed Oil

The scar-healing Amazonian oil.
Functional / Support

Pentaerythrityl Tetra-di-t-butyl Hydroxyhydrocinnamate

The invisible formula protector.
Emollient

Pentaerythrityl Tetraethylhexanoate

The cushiony, soft-focus ester.
Emollient

Pentaerythrityl Tetraisostearate

The rich, glossy skin-smoothing ester.
Active Ingredients

Pentapeptide-18

The endorphin-mimicking expression line relaxer.
Active Ingredients

Pentapeptide-3

The intense expression-line relaxer.
Active Ingredients

Pentapeptide-48

The royal jelly-mimicking epigenetic peptide.
Hydrator / Humectant

Pentylene Glycol

A conditioning agent that dual-acts to preserve freshness.
Functional / Support

Perfluorodecalin

The oxygen-carrying liquid that heals skin.
Emollient

Persea Gratissima Oil

The vitamin-dense, highly penetrative oil.
Occlusive

Petrolatum

The undisputed king of transepidermal water retention.