ghk cu peptide injections before and after “Is GHK-Cu actually worth it?” is genuinely one of the most common questions in my comments, so let me finally answer it properly., The short version: copper peptides have real research behind them, Doctor Explains GHK-Cu the Glow

Where the peptide enters the body determines where it concentrates, how much reaches systemic circulation, and which tissues it can reach at therapeutic levels

Tripeptide gut hormone infusion does not alter food preferences or sweet taste function in volunteers with obesity and prediabetes/diabetes but promotes restraint eating: A secondary analysis of a randomized single-blind placebo-controlled study

It does more than just firm your skin : GHK-Cu also provides powerful antioxidant protection against daily stressors, reduces inflammation, and supports your skin's ability to heal more quickly from damage or breakouts

You can review the FDAs compounding framework here

It has proven benefits for the skin, and it has shown promise in scientific studies for anti-aging, wound healing, and anti-inflammatory and antioxidant power