Advanced peptide skincare
The science of skin longevity.
Cobalt Labs GHK-Cu 2% cream combines copper peptide with hyaluronic acid in a 100ml jar. A declared assay, a clear volume, and a formula made for daily use.
Benefits
Anti-ageing
Copper peptide is associated with firmer-looking skin and collagen support.
Hydration
Hyaluronic acid helps the skin hold water and feel comfortable.
Skin renewal
GHK-Cu is a researched copper peptide, included here at a declared 2%.
Real results
In a consumer perception study*
91%
Smoother texture
87%
Brighter tone
82%
More even skin appearance
*Self-assessed consumer perception. Individual results vary. Cosmetic product, not a medicine.
The formulation
Precision ingredients. Visible difference.
A 100ml jar of GHK-Cu 2% with hyaluronic acid. The cream’s cobalt colour comes from the copper peptide itself. Full INCI, declared assay, formulated in New Zealand.
Explore the science
Our standards
Volume and concentration
Many labels advertise peptide complexes in small packs. We publish what is in the jar and what you pay per millilitre.
Cobalt Labs
Typical retail
Peptide
2% GHK-Cu declared assay
Complex blend, unclear assay
Pack
100ml jar
30ml pack
Per ml
$2.00 NZD
Often $3.50+ NZD
Ingredients
Full INCI on site
Proprietary complex
Shop
GHK-Cu 2% cream, 100ml
100ml jar. White lid. Published assay.
Wide mouth jar for cream application. Frosted glass wall, matte lid, minimal label. 2% GHK-Cu with hyaluronic acid. No pump. No aerosol.
$200 NZD
$185 AUD. Free NZ shipping over $150.
Reviews
From customers
They list the assay and the jar size on the page. The texture is a proper cream, not watery serum.
M.K., Auckland
The 100ml jar lasts. Colour inside matches what they show in the photos.
S.L., Wellington
Plain packaging, serious formula. Worth it if you want actual GHK-Cu percentage on the label.
J.R., Queenstown
Use
Daily application
01
Cleanse
Apply to clean, dry skin after your usual cleanser.
02
Scoop
Use a pea to almond sized amount for face and neck. One jar is sized for extended daily use.
03
Layer
Let absorb for one minute before moisturiser or SPF. Use SPF in the morning.
FAQ
Common questions
It is the declared concentration of copper tripeptide-1 in the cream, not a diluted blend marketed as a complex.
Copper peptide at this concentration has a natural cobalt tone from copper in the formula, not added colour for marketing.
Ingredients
INCI list
Full list in descending order of concentration.
Aqua (Water), Glycerin, Sodium Hyaluronate, Hydrolyzed Sodium Hyaluronate, Pentylene Glycol, Copper Tripeptide-1 (GHK-Cu), Propanediol, Panthenol, Allantoin, Sodium PCA, Betaine, Trehalose, Citric Acid, Sodium Citrate, Ethylhexylglycerin, Phenoxyethanol, Caprylyl Glycol, Disodium EDTA.
2.0% w/w GHK-Cu. Patch test before use. External use only.
Apply a small scoop to face and neck once or twice daily. Replace lid firmly. Store away from direct sun.