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At 2 to 8C, protected from light, in the original vial
Store the lyophilized vial as instructed on the label, and store any reconstituted solution under the recommended conditions and timeframe
Quick Tips & Precautions Patch test before full use Start slow when combining with actives Store in a cool, dark place Consult your dermatologist if pregnant or breastfeeding Our Recommendation For a powerful daily duo that delivers visible firming and hydration, try the GHK-Cu Collagen Boost Duo Copper Peptide Serum + Hydrating Moisturizer
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