Ingredient comparison
Tranexamic Acid vs Vitamin B3: which one is right for your skin?
Short answer: Both earn their place. Tranexamic Acid is the kinder pick if your skin reacts easily, otherwise it comes down to preference.
| Compared | Tranexamic Acid | Vitamin B3 |
|---|---|---|
| Potency | Similar | Similar |
| Evidence | moderate evidence | strong evidence |
| Irritation risk | Low | Moderate |
| Clogs pores | Low | Low |
| In pregnancy | Ask your doctor | Considered safe |
| On a label | works best above 2% | works best above 2% |
So which should you pick?
Choose Tranexamic Acid if
- dark spots, dullness or an uneven tone are what you want to work on
- your skin is sensitive or reacts easily
Choose Vitamin B3 if
- you are dealing with breakouts and congestion
- your barrier feels stressed and needs the support
- you want the pick with the most research behind it
- you are pregnant and want the clearly safe choice, since Tranexamic Acid is one to clear with your doctor first
The honest bottom line: Both earn their place. Tranexamic Acid is the kinder pick if your skin reacts easily, otherwise it comes down to preference.
Pregnancy: Vitamin B3 is considered pregnancy-safe, while Tranexamic Acid is one to clear with your doctor first.
Better for your concern
- Dark spots and uneven toneTranexamic Acid
- Fine lines and firmnessVitamin B3
- Breakouts and congestionVitamin B3
- Dryness and dehydrationVitamin B3
- Sensitive, reactive skinTranexamic Acid
Based on their scores in the knowledge base. "Either" means both hold their own for that goal.
Tranexamic Acid vs Vitamin B3, answered
Which is stronger, Tranexamic Acid or Vitamin B3?
They are close in strength: Tranexamic Acid and Vitamin B3 score similarly on efficacy. Choose by skin type rather than power.
Is Tranexamic Acid or Vitamin B3 better for sensitive skin?
Tranexamic Acid is the gentler choice for sensitive, reactive skin (low irritation risk, versus moderate for Vitamin B3).
Can you use Tranexamic Acid and Vitamin B3 together?
They have a known interaction. See our can-you-mix page for the verdict and how to use them.
General guidance, not medical advice. Read the full pages on Tranexamic Acid and Vitamin B3.