How to use them
Use them in the same routine at night. Apply Kojic Acid first, then Copper Peptides, moving from thinnest to thickest texture.
- 1CleanseGentle cleanser, pat dry
- 2Kojic Acid1% – 2%, 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 Kojic Acid does
Derived from fungi used in rice wine and soy sauce production, kojic acid blocks the enzyme that makes melanin. It is effective on dark spots but can cause contact sensitivity in some people.
- Typical strength
- 1% – 2%
- When
- AM/PM
- Irritation
- Best for
- Normal, Oily And Combination skin
Everything that pairs with Kojic Acid →
Frequently asked questions
Can I use Copper Peptides and Kojic Acid together?
Yes, it is safe. There is no known chemical conflict between Copper Peptides and Kojic Acid, and neither makes the other less effective.
Which goes first, Copper Peptides or Kojic Acid?
Apply Kojic 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 Kojic Acid in the morning or at night?
Kojic Acid: works morning or night. Patch test first. Use once daily at first, then build up.
Is Copper Peptides with Kojic Acid safe during pregnancy?
Neither is a known risk in normal cosmetic amounts, but guidance varies for Copper Peptides and Kojic Acid. Check with your doctor.