Storage conditions before purchase affect peptide stability
No serious adverse events have been systematically documented in human use to date, though the absence of systematic reporting infrastructure in the research peptide space means that adverse events are almost certainly underreported
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The continuous use approach represents traditional treatment strategy where daily GHK-Cu application continues indefinitely or until goals achieved, then potentially reduces to maintenance frequency (every other day or few times weekly) rather than complete discontinuation
Storage and Shipping Considerations Lyophilized peptides are temperature-sensitive, so transit affects the material before you open it
IMPORTANT TIPS: FOR COSMETIC TOPICAL USE ONLY STORE AT ROOM TEMPERATURE - DO NOT REFRIGERATE AVOID MIXING INTO: --- Vitamin C products (the blend may become unstable) --- Hydroxy Acids (GHK is fragile and may break down) --- 3% VIP Luxury Products (these already contain a high concentration of GHK) --- Sunscreens (zinc oxide products, etc) All other cosmetic ingredients will work well - Product must be diluted (or blended into another product) before use