GHK-Cu

GHK-Cu is the common trade name for the copper peptide Copper Tripeptide-1, supplied here as a ready-to-use liquid concentrate for professional cosmetic formulators in the United States. The acronym refers to the tripeptide glycyl-L-histidyl-L-lysine (GHK) bound to a copper ion (Cu), offered as a water-soluble active for leave-on serums, creams, and specialty water-phase cosmetics.

For US formulators, GHK-Cu carries strong search and recognition equity among skincare enthusiasts and ingredient buyers. This concentrate integrates into water-based systems during cool-down, where firmness, smoothness, and copper-peptide positioning support premium product stories. Typical finished-formula use delivers approximately 1–4% of the supplied solution in leave-on products at supplier-recommended levels — commonly targeting roughly 0.05–0.2% GHK-Cu in the final formula. Begin at the lower end of the range, then adjust for clarity, feel, and label goals.

Research literature associates GHK-Cu with collagen and elastin synthesis support, glycosaminoglycan stimulation, and balanced matrix-remodeling positioning in leave-on cosmetics. It also carries antioxidant and soothing associations in finished formulas. In commercial terms, this means a single active that can credibly support firmness, density, smoothness, texture, barrier-care positioning, and the visible resilience story of appropriately labeled consumer cosmetics.

GHK-Cu is water-soluble and added to the water phase during cool-down. Like all copper peptides, it rewards careful formulation: keep the active away from strong chelators, high concentrations of pure ascorbic acid, strong reducing agents, and high levels of direct acids that can disrupt the copper-peptide bond. It performs best at a mild, appropriate pH and is most successful as the hero of its own leave-on formula or paired with compatible, gentle actives. Robust preservation is essential, and leave-on serums and creams are the appropriate vehicles. The signature blue color should be accounted for — and can be embraced — in finished product design.

In compatibility terms, GHK-Cu pairs well with hyaluronic acid and humectants, with soothing and barrier ingredients such as panthenol, ceramides, centella asiatica, and allantoin, and with gentle hydrating systems. Many brands keep copper peptides in a dedicated leave-on step separate from high-dose vitamin C, strong AHAs/BHAs at low pH, or high-strength retinoids. It is non-irritating at typical cosmetic use levels and is well suited to sensitive-skin cosmetic formulas.

This listing is structured for clear Google indexing and B2B conversion. IngredientOS supplies professional raw cosmetic ingredients for formulators, labs, and brands — not ready-to-use consumer skincare products. Confirm full INCI, active percentage, and supplier CoA details before scaling production.

For a launch collection, GHK-Cu is a flagship cosmetic active. The "GHK-Cu" name captures the enthusiast audience who shop by this specific term, and the active can anchor a premium leave-on serum or cream within a range that also offers "Copper Peptide" and "Copper Tripeptide-1" labels.