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I have received numerous compliments on how young I look for my age, and Im confident that this serum plays an important role in maintaining my youthful appearance. Cons Some reviewers noted a strong scent Two ways to get brighter skin are exfoliating and incorporating a vitamin C serumthis formula combines the two using ingredients like exfoliator PHA

A: Lyophilised GHK-CU 50mg powder should be stored at -20C in a sealed container, protected from light and moisture

COA & Testing (30%) For blends specifically, we verify: Per-component HPLC (all four peptides tested individually) Heavy metals screening (non-negotiable for GHK-Cu) Endotoxin testing Verifiable third-party lab (Janoshik, MZ Biolabs, Colmaric) Reputation (30%) Community feedback from peptide forums, shipping reliability, customer service responsiveness, and multi-year operating history