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A Dermatologists Take on the Copper Peptide (GHK-Cu) Skin Care Trend Copper peptides, most commonly referred to as GHK-Cu, have been circulating in professional skin care for years

Plasma Concentration: From ~200 ng/mL to ~80 ng/mL Research measuring GHK-Cu across different age groups has found plasma concentrations of roughly 200 ng/mL around age 20, falling to approximately 80 ng/mL by age 60 a decline of more than 50% over four decades

Let it absorb: Allow the serum to absorb into your skin before applying additional skincare products

This ampoule contains a powerhouse of brightening ingredients to improve the signs of pigmentation in the skin

These include strenuous exercises, pollution, smoke, dust particles, and poor diet

Ongoing Commitment: Optimal results typically require ongoing treatment, though protocols may be adjusted over time based on progress and goals