Copper Peptide Complex Advanced Firming Serum

A water-light serum built around 1% pure GHK-Cu, the copper tripeptide that is among the most studied peptides in skincare. Copper acts as a cofactor for the enzymes involved in collagen and elastin production, and the skin's own supply of these peptides falls away with age.

Alongside it sits a second peptide pairing of acetyl hexapeptide-8 and palmitoyl tripeptide-5, working on the appearance of firmness and fine lines. Hyaluronic acid and polyglutamic acid handle hydration at different weights, one drawing water in and the other holding it at the surface, while ectoin and allantoin keep the barrier calm.

The texture absorbs quickly with no tackiness or residue, and it layers cleanly under everything else. Fragrance-free, and formulated for sensitive skin.

Best for

Loss of firmness, rough or uneven texture, and skin that needs support without heaviness. Suits all skin types, including sensitive.

How to use

After cleansing, apply a small amount to dry skin morning and evening. Follow with moisturiser at night and SPF in the morning. Copper peptides layer well with retinoids, applied first to buffer the skin. If using alongside L-ascorbic acid vitamin C, allow it to dry down fully first.

Key ingredients

Copper tripeptide-1, pure GHK-Cu at 1%, is a signalling peptide and a cofactor in the skin's own collagen and elastin production. Acetyl hexapeptide-8 and palmitoyl tripeptide-5 work together on the look of firmness and fine lines. Hyaluronic acid and polyglutamic acid hydrate at different depths. Ectoin supports the barrier against environmental stress, and allantoin calms the look of redness.