How to use them
Use them in the same routine at night. Apply Polyglutamic Acid first, then Copper Peptides, moving from thinnest to thickest texture.
- 1CleanseGentle cleanser, pat dry
- 2Polyglutamic Acid1% – 3%, wait about 1 minute
- 3Copper Peptides0.1% – 1%
- 4Moisturiserseal everything in
What Copper Peptides does
A peptide bound to copper that supports wound-healing, firmness and barrier repair. Copper is reactive, so it does not play well with strong acids or pure vitamin C.
- Typical strength
- 0.1% – 1%
- When
- PM
- Irritation
- Best for
- Normal, Dry And Combination skin
Everything that pairs with Copper Peptides →
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 Copper Peptides and Polyglutamic Acid together?
Yes, it is safe. There is no known chemical conflict between Copper Peptides and Polyglutamic Acid, and neither makes the other less effective. They share a goal (barrier), so together they reinforce each other.
Which goes first, Copper Peptides or Polyglutamic Acid?
Apply Polyglutamic Acid first, then Copper Peptides. The general rule is thinnest to thickest texture, and lowest pH first.
Should I use Copper Peptides in the morning or at night?
Copper Peptides: best at night. Use at night on nights without acids or vitamin C. A thin layer is enough.
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.
Is Copper Peptides with Polyglutamic Acid safe during pregnancy?
Neither is a known risk in normal cosmetic amounts, but guidance varies for Copper Peptides. Check with your doctor.