Beauty Elixir

Can you use PHA with Tranexamic Acid?

Safe to mix

Yes, it is safe.

There is no known chemical conflict between PHA and Tranexamic Acid, and neither makes the other less effective.

How to use them

Use them in the same routine morning or night. Apply PHA first, then Tranexamic Acid, moving from thinnest to thickest texture. Finish with sunscreen in the morning.

  1. 1
    CleanseGentle cleanser, pat dry
  2. 2
    PHA3% – 10%, wait about 1 minute
  3. 3
    Tranexamic Acid2% – 5%
  4. 4
    Moisturiserseal everything in

What PHA does

Polyhydroxy acids are the gentlest chemical exfoliants. They work only on the surface, hydrate at the same time, and are usually tolerated by sensitive and rosacea-prone skin.

Typical strength
3% – 10%
When
AM/PM
Irritation
Best for
Sensitive, Dry And Normal skin

Everything that pairs with PHA →

What Tranexamic Acid does

A gentle brightener that interrupts the signals behind melasma, sun spots and post-acne marks, without the irritation of hydroquinone or strong acids.

Typical strength
2% – 5%
When
AM/PM
Irritation
Best for
Sensitive, Normal, Oily, Combination And Dry skin

Everything that pairs with Tranexamic Acid →

Frequently asked questions

Can I use PHA and Tranexamic Acid together?

Yes, it is safe. There is no known chemical conflict between PHA and Tranexamic Acid, and neither makes the other less effective.

Which goes first, PHA or Tranexamic Acid?

Apply PHA first, then Tranexamic Acid. The general rule is thinnest to thickest texture, and lowest pH first.

Should I use PHA in the morning or at night?

PHA: works morning or night. You can use it daily. It is a good first acid, or a way to keep exfoliating on retinoid "rest" nights if your skin tolerates it.

Should I use Tranexamic Acid in the morning or at night?

Tranexamic Acid: works morning or night. Use once or twice daily for at least 8–12 weeks. It works best alongside a daily broad-spectrum sunscreen.

Is PHA with Tranexamic Acid safe during pregnancy?

Neither is a known risk in normal cosmetic amounts, but guidance varies for Tranexamic Acid. Check with your doctor.

More free tools