Homemade solutions without preservatives: Must refrigerate immediately Use within 1-2 weeks maximum Risk of bacterial contamination is high Consider adding preservative system Homemade solutions with preservatives: Refrigeration recommended Can last 1-3 months refrigerated Room temp storage reduces to 2-4 weeks Raw GHK-Cu powder mixed into existing products: Follow storage requirements of base product Generally refrigerate to be safe Use within original product's timeframe Learn more about copper peptide formulations in our copper peptides complete guide
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Why Does Bruising Happen After Lip Injections