Ingredient Library

Skincare Ingredient Library

Each page covers common uses, timing, formulation notes, precautions and published pairings.

The English edition contains 14 source-checked and editorially reviewed Ingredients.

CategorySuggested time

Showing 3 ingredients

Barrier and hydrationMorning or evening

Hyaluronic Acid

A common humectant used to support hydration alongside many active ingredients.

Barrier and hydrationMorning or evening

A class of lipids naturally present in the outer skin layer and commonly used in barrier-focused moisturizers.

Barrier and hydrationMorning or evening

A common humectant and skin-conditioning ingredient used to support moisturizing comfort; Dexpanthenol evidence has a narrower identity scope.