GHK‑Cu
Copper Tripeptide-1CAS 89030-95-5
The most studied peptide in skincare. Dissolves clear blue in water.
$24.991 g, sealed vial
Stripe checkout
- Purity (HPLC)
- 99.57%, COA
- Makes
- 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 |
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)
Turning purple or brown means the pH is off. Keep it between 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 |
Contents
- 1 g of GHK‑Cu powder in a sealed screw-cap vial
- Resealable foil pouch
- Quick-start card
