Brightening amino-acid derivative
Tranexamic Acid
INCI: Tranexamic Acid·Studied at 2–5%·Moderate evidence
A synthetic amino-acid derivative studied for the appearance of stubborn discoloration and a more even tone, often paired with niacinamide or acids because it works by a different route.
Studied for
- ·The appearance of an even tone
- ·The look of reduced dark patches and post-blemish marks
How it’s thought to work
Studied for association with the appearance of less visible uneven pigment through a different pathway than acids or vitamin C, which is why it is commonly stacked with them.
Questions
- How fast does tranexamic acid work?
- Slowly. It is a patient active for the appearance of uneven tone, so most people judge it over months rather than weeks, ideally alongside daily sunscreen.