Beauty Elixir

Can you use Niacinamide with Polyglutamic Acid?

Safe to mix

Yes, it is safe.

There is no known chemical conflict between Niacinamide and Polyglutamic Acid, and neither makes the other less effective. They share a goal (barrier), so together they reinforce each other.

How to use them

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

  1. 1
    CleanseGentle cleanser, pat dry
  2. 2
    Polyglutamic Acid1% – 3%, wait about 1 minute
  3. 3
    Niacinamide2% – 10%
  4. 4
    Moisturiserseal everything in

What Niacinamide does

An all-rounder that controls oil, strengthens the skin barrier, reduces redness and evens out tone. It gets along with almost every other active, which is why it is in so many routines.

Typical strength
2% – 10%
When
AM/PM
Irritation
Best for
Oily, Combination, Normal, Sensitive And Dry skin

Everything that pairs with Niacinamide →

What Polyglutamic Acid does

A bigger-molecule humectant that forms a moisture-holding film on the skin. It is often paired with hyaluronic acid for plump, long-lasting hydration.

Typical strength
1% – 3%
When
AM/PM
Irritation
Best for
Dry, Normal, Combination, Sensitive And Oily skin

Everything that pairs with Polyglutamic Acid →

Frequently asked questions

Can I use Niacinamide and Polyglutamic Acid together?

Yes, it is safe. There is no known chemical conflict between Niacinamide and Polyglutamic Acid, and neither makes the other less effective. They share a goal (barrier), so together they reinforce each other.

Which goes first, Niacinamide or Polyglutamic Acid?

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

Should I use Niacinamide in the morning or at night?

Niacinamide: works morning or night. Use morning, night or both, after water-based serums. 4–5% is enough for most people. Very high percentages can cause flushing on sensitive skin.

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

Polyglutamic Acid: works morning or night. Apply after toner and before moisturiser, morning or night.

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