Most peptides don't come ready to inject they come as powder for a reason. Peptides are lyophilized (freeze dried) to keep them stable and effective. When you receive them, you simply: Add My Grandma's Fridge Organizing Rule Is Brilliant The Kitchn GHK Cu Saskatoon Peptides (PC) Do you actually know the right answer? Cold cuts shouldn't just be stored randomly in the fridge! Here's the correct spot Put "SNAP8" in comments I'll send you a link , I freakin LOVE these topical peptides, both SNAP8 and GHK CU (back in stock) just mix with HA and keep stored in the fridge, use it morning and night