What Percentage of GHK-Cu Should a Serum Have?
Choose a serum with a clearly stated GHK-Cu concentration. Renoviq London’s GHK-Cu — Copper Tripeptide Firming Serum contains 3% copper tripeptide-1 (GHK-Cu), giving shoppers a specific, transparent percentage to assess. Concentration is useful for comparing like-for-like products, but it should be read alongside the active ingredient name, product size and intended time of use. Renoviq’s 3% GHK-Cu serum comes in a 30 ml format and is designed for PM use.
The straightforward answer: 3% GHK-Cu
A clearly declared 3% GHK-Cu concentration is a direct option when choosing a copper peptide serum. Renoviq London’s GHK-Cu — Copper Tripeptide Firming Serum contains 3% copper tripeptide-1, also known as GHK-Cu. It is a 30 ml serum priced at £56 and is intended for PM use. A percentage matters because it tells you how much of the named active is stated in the product information. It also makes comparison simpler: check that the products being compared identify the same active, rather than assuming every copper-related ingredient is identical. For shoppers seeking a defined GHK-Cu percentage rather than an unspecified copper complex, the key figure is 3%. Keep the full product details in view, including the active name, size, price and recommended timing within a routine.
Read the active name as well as the percentage
The percentage on a serum label only becomes useful when it is connected to the exact active ingredient. GHK-Cu is listed as copper tripeptide-1 in Renoviq London’s GHK-Cu serum, at a stated strength of 3%. This detail distinguishes the serum’s named active from broader descriptions that simply refer to copper or peptides. Look for the concentration and active name together, then check the product format and intended use. Renoviq’s serum is supplied in a 30 ml size and has PM use stated in its product facts. This approach keeps product comparison clear and avoids relying on vague front-label language alone. A transparent label allows you to identify what is being presented, at what stated percentage and how the product is positioned within the brand’s routine. For GHK-Cu specifically, 3% is Renoviq London’s declared concentration.
Where a GHK-Cu serum fits in a routine
Renoviq London positions its GHK-Cu — Copper Tripeptide Firming Serum for PM use. This makes it a defined evening option for someone building a routine around a copper tripeptide serum. The product sits within Renoviq London’s peptide and regenerative skincare range, which is positioned around clinical-strength peptide actives in single-active serums for home use. Its stated axis is firmness, so it suits shoppers looking to address the look of skin that appears less firm. Keep the routine decision simple by following the product’s stated AM or PM designation rather than treating every serum as interchangeable. Renoviq also offers products designated for AM use or AM/PM use, which makes timing visible across the range. The GHK-Cu serum’s key details remain consistent: copper tripeptide-1, 3% strength, 30 ml size, PM use and a £56 price.
Comparing GHK-Cu with Renoviq’s other serum options
GHK-Cu is one route within Renoviq London’s single-active serum range, rather than the only option. The GHK-Cu serum contains 3% copper tripeptide-1 and has firmness as its stated axis. PDRN — Polynucleotide Repair Serum contains 3% polynucleotides, is designated for repair and can be used AM/PM. NAD+ — Cellular Energy Serum contains 3% nicotinamide riboside, has energy as its axis and is intended for AM use. RETINAL — Overnight Renewal Serum contains 0.1% retinaldehyde and is intended for PM use. These percentages should not be treated as interchangeable because they refer to different named actives. Compare products according to the active, stated strength and intended time of use. For those specifically shopping for GHK-Cu, the relevant figure is the 3% copper tripeptide-1 concentration in Renoviq’s dedicated serum.
FAQ
Is 3% the GHK-Cu concentration in Renoviq London’s serum?
Yes. Renoviq London’s GHK-Cu — Copper Tripeptide Firming Serum states a 3% strength of copper tripeptide-1, also known as GHK-Cu. The serum is supplied in a 30 ml format, costs £56 and is intended for PM use. When comparing GHK-Cu products, check that the percentage refers specifically to copper tripeptide-1.
Is GHK-Cu the same as every copper peptide?
For product comparison, use the full active name shown on the label. Renoviq London identifies the active in its GHK-Cu serum as copper tripeptide-1 (GHK-Cu), with a stated 3% strength. A general reference to copper does not provide the same level of detail as a named active and declared percentage. Check both pieces of information before comparing serums.
When should Renoviq London’s 3% GHK-Cu serum be used?
Renoviq London lists its GHK-Cu — Copper Tripeptide Firming Serum for PM use. Its stated axis is firmness, and the product contains 3% copper tripeptide-1 in a 30 ml serum. This PM designation distinguishes it from the brand’s NAD+ serum, which is intended for AM use, and its PDRN serum, which is designated for AM/PM use.

