Category: Ingredients Author: Daniel Gayle, Founder Syviane Read time: 3 minutes

Introduction: If you follow skincare you have heard of Niacinamide. You have probably heard of Alpha-Arbutin. But Tranexamic Acid rarely gets the attention it deserves. That is a problem because for one specific type of pigmentation it does something no other affordable active can match.

Heading 1: What is Tranexamic Acid

Tranexamic Acid was originally developed as a medical treatment for excessive bleeding. It works by inhibiting plasmin, an enzyme involved in the breakdown of blood clots. In the 1970s dermatologists noticed something unexpected. Patients taking oral Tranexamic Acid for medical reasons were reporting improvements in their melasma. That observation led to decades of research into its use as a topical brightening active.

Today it is one of the most well studied brightening ingredients available. Used in concentrations typically between two and five percent in topical formulations. Well tolerated by sensitive skin. No significant irritation risk at standard concentrations. A strong safety profile across all skin types.

Heading 2: What makes it different from other brightening actives

Most brightening actives work by targeting tyrosinase. The enzyme that triggers melanin production. Niacinamide blocks melanin transfer. Alpha-Arbutin inhibits tyrosinase activity. These are effective approaches for sun damage and general hyperpigmentation.

Tranexamic Acid works differently. It interrupts the communication pathway between keratinocytes and melanocytes that is triggered by inflammation. When skin experiences inflammation, from a breakout, a cut, UV exposure, or any other stressor, keratinocytes send signals to melanocytes that trigger excess melanin production. Tranexamic Acid interrupts that signal.

That makes it uniquely effective for post-inflammatory hyperpigmentation. The dark marks left behind after breakouts. The spots that linger for months after a pimple has healed. The type of pigmentation that is most common on deeper skin tones and most resistant to other brightening actives.

Heading 3: Why it belongs in every brightening formula

Post-inflammatory hyperpigmentation is one of the most common skin concerns globally. It affects every skin type and every skin tone. But it disproportionately affects deeper skin tones where the contrast between the mark and the surrounding skin is more visible, and the marks tend to last longer.

Despite this most affordable brightening serums do not include Tranexamic Acid. It is more expensive than Niacinamide. Less well known than Vitamin C. Easier to leave out and focus on the ingredients customers already recognize.

We included it in Éclat because leaving it out would mean ignoring one of the three major causes of uneven skin tone. That did not make sense to us. So, we put the budget in the bottle and included all three.

Closing: Tranexamic Acid will not stay under the radar forever. The research supporting it is strong and growing. We think it belongs in every serious brightening formula. That is why it is in Éclat.