Ingredient glossary

Tranexamic Acid

What Tranexamic Acid does for your skin, who it suits, and what to watch for.

INCI: Tranexamic Acid · Also: TXA

Solid and proven

In short: Tranexamic Acid delivers brightening and anti redness, earns its place for pigmentation and melasma, and the evidence behind it is moderate. One thing to know: clear it with your doctor if pregnant.

What it does
Brightening, anti redness
Best for
Pigmentation, melasma
Watch out
Clear it with your doctor if pregnant
Evidence
Moderate
Does it clash with what you use? Check it →

The molecule

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Chemical structure of Tranexamic Acid (Tranexamic Acid)

The Glow take

One of the ingredients I trust most.

When your goal is fading dark spots and evening out tone, Tranexamic Acid delivers, with a solid amount of evidence behind it. Easy to slot into almost any routine.

— Maya

What it does

  • brightening
  • anti redness

moderate evidenceStudies show topical 2–10% tranexamic acid can improve melasma scores and pigmentation, particularly when combined with other brightening agents or procedures.

On a label: works best above 2%.

Who it's for, and who should skip it

Tends to suit

  • pigmentation
  • melasma
  • post inflammatory hyperpigmentation

Approach with care

  • active clotting disorders
  • Clogs poresLow
  • Irritation riskLow

How it fits each skin type

  • DryNeutral
  • CombinationNeutral
  • OilyNeutral
  • SensitiveNeutral

Often chosen for pigmentation, melasma, post inflammatory hyperpigmentation. Take extra care if any of these apply to you: active clotting disorders.

Where it fits in your routine

WhenMorning or evening
Where in the orderAfter cleansing, before your moisturizer

Plays well with

Tranexamic Acid, answered

Is Tranexamic Acid safe during pregnancy?

Clear it with your doctor first. Tranexamic Acid is flagged as use-with-caution during pregnancy and breastfeeding, so check with your doctor or midwife before adding it.

Who should avoid Tranexamic Acid?

Approach Tranexamic Acid with care if any of these apply to you: active clotting disorders.

What concentration of Tranexamic Acid actually works?

Research tends to show Tranexamic Acid starts pulling its weight above 2%. If a brand prints the percentage, that is the number to look for.

During pregnancy

Treat Tranexamic Acid as a maybe rather than a yes for now. It is flagged as one to use with caution while pregnant or breastfeeding, so it is worth clearing before you carry on.

When in doubt, check with your doctor or midwife. They outrank any website, including this one.

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Sources & how we reviewed this

Last reviewed July 2026. Educational information about a cosmetic ingredient, not medical advice.