At Intra-V, this protocol is typically prescribed as simple subcutaneous injections you can do at home (we teach you exactly how), depending on your plan and what your provider recommends
There's no chemical incompatibility between GHK-Cu and retinol - they work through entirely different pathways - but if your skin is sensitive or you're new to one or both, give them separate evenings until you know how your skin responds
Preventing Oxidation and Moisture Contamination Minimize Air Exposure: Limit the time peptide containers are open to reduce oxidation, especially for peptides containing cysteine (C), methionine (M), or tryptophan (W), which are prone to air oxidation
In theory, the two address different stages of the same biological process
It is typical to require more than one treatment and a package of 3 treatments spaced 21 days apart is recommended