Tranexamic acid is a lesser-known skincare ingredient that can help with discolouration and other skin concerns. It is safe for most skin types.

Acids continue to play a fundamental role in the skincare industry, thanks to their numerous benefits for improving skin tone.

Haven’t heard of tranexamic acid yet? This acid—relatively unknown until now—appears to offer benefits for giving melasma, hyperpigmentation, and other types of skin dyschromias.

Tranexamic acid is resulting from the amino acid lysine. Traditionally, it has been used as a mouthwash to treat heavy menstrual bleeding.

However, when applied topically, it can alter how cells produce melanin—the pigment that gives skin its colour—explains Dr Mary Stevenson, an assistant professor of dermatology at NYU Langone Health.

In other words, it interrupts the skin pathways that can lead to uneven skin tone.

Below, we share everything you need to know about this promising skincare ingredient before you try it for yourself. Tranexamic Acid