Tranexamic Acid
INCI: Tranexamic Acid. Tranexamic Acid (TXA) is a synthetic derivative of the amino acid lysine, used in cosmetic formulation as a brightening active for the evenness of skin tone and the appearance of dark marks and sun spots. It works by interrupting melanin synthesis, and is non-exfoliating, which makes it a gentle option suited to all skin types.
Key Aspects of Tranexamic Acid in Skincare:
Usage Examples: Used in serums, creams, lotions, and spot treatments.
Best Used For: The evenness of skin tone, the appearance of dark marks and the appearance of visible redness.
Synonyms/Abbreviations: Often referred to simply as TXA.
Application: Generally applied to clean, dry skin at night, though it can be used in the morning, followed by sunscreen.
Common Pairings: Formulates well with Vitamin C, Niacinamide, kojic acid and Hyaluronic Acid where a combined tone and hydration effect is wanted.
Safety: Gentle, with minimal irritation potential, including on sensitive skin.
Typical Concentration: Usually formulated at 1-3%.
It is used in formulations targeting the appearance of uneven pigmentation, including marks left after visible blemishes and after sun exposure.