At a Glance Tranexamic acid (TXA) is a synthetic lysine derivative originally developed as an antifibrinolytic drug for surgical hemostasis. Topically and orally at low doses, it has emerged as one of the better-supported ingredients for treating melasma and hyperpigmentation, acting through…
In the full monograph
- What it is, and how it works
- What the evidence shows — randomized trials, observational data, animal studies, graded and cited
- Dose, form, and timing
- What to expect, and how soon
- Who should be careful, and what to check first
- The verdict
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