ghk cu sagging skin GHK-Cu for Menopausal Skin: Fighting Collagen Loss After 40 – Pure & Cimple GHK-CU- Cosmetic for Healthy Skin

GHK peptide may host copper (II) ions due to possible copper affinity and may thereby stimulate the synthesis of collagen and increase the accumulation of total proteins and DNA at the injury site

Which form (and whether either is right for you) is decided with your provider based on your goals and health history not something to guess at from a forum

and MK-677, a Merck drug that is not a peptide but that behaves just like the peptide GHRP-6

Analytical testing for this batch was performed by Liquilabs s.r.o

Dosing is individualized, but a typical protocol titrates from a starting dose up to a target dose over 2 to 4 weeks, injected 5 days on and 2 days off, in defined cycles with scheduled breaks between them