Ingredient Dictionary

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

Emollient

Raspberry Seed Oil

The antioxidant oil with natural environmental defense.
Antioxidant

Rehmannia Glutinosa Root Extract

The Yin-nourishing, deep hydration root.
Antioxidant

Reishi Mushroom Extract

The adaptogenic mushroom that fights skin stress.
Antioxidant

Resveratrol

The anti-aging compound found in red wine.
Active

Retinal

Retinaldehyde; highly potent vitamin A derivative that fast-tracks cellular turnover loops with supreme clinical speed.
Active Ingredients

Retinaldehyde

The fast-acting, highly potent sibling of Retinol.
Active Ingredients

Retinol

The anti-aging gold standard that speeds up cell turnover.
Active Ingredients

Retinyl Acetate

The ultra-mild, highly stable Vitamin A ester.
Active Ingredients

Retinyl Linoleate

The barrier-repairing Vitamin A ester.
Active Ingredients

Retinyl Palmitate

The mildest, antioxidant-focused Vitamin A.
Active Ingredients

Retinyl Propionate

The highly penetrative, gentle retinoid.
Active Ingredients

Retinyl Retinoate

The photostable, ultra-potent Vitamin A.