GHK‑Cu
Copper tripeptide for skin and scalp formulations.
The blue copper peptide behind high-end anti-aging serums: build it into your own serums, collagen-support creams and scalp care for smoother, firmer, more radiant-looking skin.
Sold out. The next lot is being prepared.
- Purity (HPLC)
- 99.57%, lot ZXP-T7QB · View COA
- Appearance
- Blue to deep-blue crystalline powder
- Solubility
- 100% water soluble
- Yield per gram
- Approx. 800 g, or 27 one-ounce bottles
How to use
- Prepare the stock solution. 1 g powder + 20 mL (4 tsp) distilled water = 5% stock solution. Stir until clear and deep blue.
- Dose. Add ½ teaspoon of stock per 100 g (3.5 oz) of serum, cream or lotion (≈ 0.12% GHK‑Cu, the standard dose) as the final step, and stir until even.
- Store. Keep the stock solution sealed and refrigerated below 39°F (4°C). Use within 30 days.
| Per 100 g | Stock | Application |
|---|---|---|
| ¼ tsp | 1.25 mL | Gentle · first time · eye area |
| ½ tsp | 2.5 mL | Standard · serums and creams |
| 1 tsp | 5 mL | Scalp and hair · masks |
| 2 tsp | 10 mL | Maximum. Do not exceed. |
Compatibility
Compatible with
- Hyaluronic acid, glycerin
- Niacinamide, other peptides
- Ceramides, squalane
- Most creams, lotions and gels
Keep separate from
- Vitamin C (ascorbic acid)
- EDTA and other chelators
- Strong acids (glycolic, lactic) or bases
- Heat above 104°F (40°C)
A purple or brown shift indicates incorrect pH. Copper peptides are most stable between pH 5 and 7.
Specifications
| INCI | Copper Tripeptide-1 |
| CAS | 89030-95-5 |
| Purity (HPLC) | 99.57% (lot ZXP-T7QB) |
| Appearance | Blue to deep-blue crystalline powder |
| Solubility | 100% water soluble |
| Net weight | 1 g (0.035 oz) per vial |
| Shelf life | 24 months unopened, stored cool, dry and dark |
| Grade | Cosmetic, for external formulations |
| COA | Lot ZXP-T7QB, download PDF |
Contents
- 1 g of GHK‑Cu powder in a sealed screw-cap vial
- Resealable, light-blocking foil pouch with full label
- Quick-start card
Shipping and returns
Ships within two business days, to addresses in the United States. $5.95 flat-rate USPS Ground Advantage, free on orders over $75. Arrives in 3–6 business days. Unopened, sealed vials can be returned within 30 days of delivery; anything damaged or incorrect is replaced free. Full policy
Good to know
Dissolve the powder and dilute it into your serum, cream or lotion before applying; don't put the powder straight on skin. Patch-test a new formula on a small area first. Keep out of reach of children.
