They can be part of the same routine because they act through different pathways
GHK-Cu Injection Quick Facts Route Subcutaneous, into the fat under the skin Sites Abdomen, thigh, upper outer glute, back of deltoid Dose 20 units (0.2 mL) from a 10 mg/mL vial Schedule Once daily, Monday through Friday Cycling No cycling break required Storage Refrigerated 36-46F, upright, do not freeze GHK-Cu Is a Subcutaneous Injection The short answer to where to inject GHK-Cu is any of four subcutaneous sites, most often the belly or the outer thigh, moved a finger-width each day so the same patch of tissue never takes two doses in a row
For instance, topical or intrauterine delivery of growth-promoting peptides has been trialed in other tissues
PubMed Central, Brauns, Stefan, et al
Our Advanced Copper Peptide Face Serum combines GHK-Cu with niacinamide, multiple forms of hyaluronic acid and botanical extracts in a lightweight serum designed for everyday use