Ingredient Guide · April 2026
What Is Tranexamic Acid? — The Pigmentation Specialist
Tranexamic acid is a synthetic amino acid. Originally for blood clotting, now a cult topical for pigmentation.
What it is
The science.
Tranexamic acid is a synthetic derivative of lysine. Topically, it inhibits melanin transfer and reduces hyperpigmentation.
How it works
Tranexamic acid blocks the protease that triggers melanin production. Slows pigmentation cascade.
Who should use it
Right for which skin types?
Melasma. Post-inflammatory hyperpigmentation. Sun-damaged skin.
How to use it
3% concentration. Twice daily. Compatible with vitamin C, niacinamide, retinol.
Side effects
Rare.
Best products
Top recommendations.
- Tranexamic Acid 3% by The Ordinary — $13 · Best value
- Discoloration Defense by Skinstitut — $45 · Mid-budget
- Discoloration Repair Serum by SkinCeuticals — $185 · Premium clinical
Frequently asked
Common questions.
Is tranexamic acid safe?
Topically yes. Oral tranexamic is prescription-only and used for melasma but has cardiovascular risks.
Tranexamic acid vs vitamin C for pigmentation?
Different mechanisms. Layer both for compounded effect.
How long until results?
12-16 weeks for visible fade. Strongest on melasma over 6+ months.