Ingredient Dictionary

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

Hydrator / Humectant

Pentylene Glycol

The multi-tasker that hydrates and preserves.

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.

Soothing / Anti-Inflammatory

Peucedanum Ostruthium Leaf Extract

The traditional Swiss skin healer.

Antioxidant

Phaeodactylum Tricornutum Extract

The cellular-purifying diatom algae.

Soothing / Anti-Inflammatory

Phaseolus Radiatus Seed Extract

The traditional detoxifying, cooling seed.

Antioxidant

Phellinus Linteus Extract

The immune-boosting medicinal mushroom.

Soothing / Anti-Inflammatory

Phellodendron Amurense Root Extract

The berberine-rich, anti-inflammatory bark.

Functional / Support

Phenoxyethanol

The safe, global standard for keeping products mold-free.

Emollient

Phenyl Trimethicone

The high-shine, protective silicone polymer.

Hydrator / Humectant

Phenylalanine

The melanin-regulating amino acid.