Tranexamic Acid is a multi-pathway brightening active used to support the look of more even skin tone and reduce the appearance of stubborn dark spots.
It is a strong fit for hyperpigmentation focused routines, including post breakout marks and melasma support concepts.
It is water soluble, but it needs smart pH and solubility handling to stay stable and comfortable on skin.
FEATURES
- Dark spot targeting – supports visible improvement in uneven tone and stubborn marks.
- Melasma support positioning – commonly used in advanced tone correction routines.
- Water phase friendly – suitable for serums, gels, toners, and emulsions.
- Stacks well – pairs nicely with niacinamide, alpha arbutin, vitamin C systems, and gentle exfoliation strategies.
BEST FOR
- Dark spot serums
- Even tone moisturisers
- Hydrating gels
- Toners
- Spot correctors
FORMULATION GUIDELINES
| INCI | Tranexamic Acid |
|---|---|
| Type | Brightening active (water soluble) |
| Solubility | Water soluble (solubility improves with gentle heat and correct pH) |
| Use Rate | 2–5% typical for leave on brightening formulas. 1–2% for sensitive skin positioning. |
| pH Compatibility | We recommend finished product pH 5.5–7.0 for best balance of solubility and skin comfort. |
| Temperature Tolerance | We recommend dissolving with moderate heat (40–60°C) if needed, then cooling before adding heat sensitive ingredients. |
| Pro Tip | Dissolve tranexamic acid fully before adding polymers or high salt electrolytes. If you see grittiness or crystals, increase dissolve time, use warm water, and keep the finished pH within the recommended range. For elegant brightening serums, pair with a humectant system and a calming helper such as beta glucan or allantoin. |
| Appearance | White crystalline powder |
| Stability Notes | Solubility and comfort depend heavily on pH and total solids. Run stability testing across temperature cycles to confirm no crystallisation. |
| Storage | Keep sealed, cool and dry. Protect from humidity. |
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