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When shopping for a copper peptide serum: Look for "copper tripeptide-1" or "GHK-Cu" on the INGREDIENTS label
Learn how long B12 stays good, how to extend shelf life, and what happens after the expiration date
The deltoid (upper arm) is also an IM site but can be harder to reach on your own
Standard protocols for hair growth use 1-2 mg daily via subcutaneous injection, with some protocols using 2-3 mg several times weekly instead
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