Free shipping over $75 · Vegan · Fragrance-free · Cruelty-free
Repair · single active

GHK-Cu

Copper Tripeptide-1
$54

A copper peptide for skin that looks depleted, textured, or slow to bounce back. It supports a smoother, healthier-looking surface with a distinctive blue tint from the active itself.

  • RepairsRegeneration and copper peptides
  • TargetsTexture, resilience, depleted-looking skin
  • TextureLightweight, fast-absorbing, layers cleanly
VeganFragrance-freeCruelty-freePatch-test friendly

Free shipping over $75 · 30-day returns

How to use +

Apply 2-3 drops to clean skin morning and night, before heavier creams or oils. Patch test first. Finish daytime routines with SPF.

Full ingredient list +

Aqua/Water, Propanediol, Glycerin, Copper Tripeptide-1, Sodium Citrate, Citric Acid, Phenoxyethanol, Ethylhexylglycerin.

The science +

GHK-Cu is a copper peptide used for regeneration and copper peptides. Seralune uses 1% copper peptide complex so the formula has a clear job and an easy place in your routine.

Concentration
1%
Format
30 ml
Skin type
All
Use
AM / PM
pH
5.5-6.0
Pairs with
HA · Barrier cream
Why single-active

The honest formula.

Most serums bury one working ingredient behind a dozen that do little. We lead with the active, name it on the front, and leave out everything it doesn't need.

1%
Active concentration
1
Studied active per bottle
0
Added fragrance or dyes
Complete the routine

Pairs well with

RepairLOT · AK-01
AHK-Cu1% Solution
Acetyl Tripeptide-Cu
$50 Add ->
SmoothLOT · SA-04
SYN-AKE4% Solution
Dipeptide Diaminobutyroyl Benzylamide Diacetate
$48 Add ->