While cosmetically concerning, they rarely affect medication absorption
A $50 processing fee applies only if you need a prescription

Stable Bulk Supply Advantages Annual production capacity: 500kg 99% pure GHK-Cu powder, custom liquid batches available Regular spot inventory: 50kg standard pure powder, pre-made 0.1%/1% stock solutions Custom concentration, solvent (water/glycerin/butylene glycol) and preservative systems 3~7 working days fast delivery for standard orders, 7-14 days for custom formulations Batch COA & SDS Full Documents ISO22716 / GMP Cosmetic Good Manufacturing Practice CosIng EU cosmetic raw material compliance, FDA cosmetic ingredient compliance HALAL & KOSHER global religious export certification Third-party cosmetic safety testing & permanent batch traceability REACH, CPNPF & regional cosmetic filing support documents 6 Core Competitive Advantages of Our GHK-Cu Copper Peptide High Purity Stable Chelate 99% HPLC verified GHK-Cu, complete copper chelation, consistent blue color, minimal free copper ions, no color shift, reliable long-term formulation stability
Shen, B., He, P
Knerr PJ, Mowery SA, Finan B, et al