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 2 ingredients

Barrier and multifunctionalMorning or evening

Niacinamide

A versatile form of vitamin B3 commonly used in barrier-support, oil-control and brightening formulas.

Barrier and multifunctionalMorning or evening

The canonical whole-plant Centella Asiatica Extract used in skin-conditioning formulas; Cica is a discovery term, not an exact ingredient identity.