ghk-cu topical vs injection effectiveness Why this audio? Because injecting feels like a constant wasp sting so it takes me about 15 seconds to pin .2 mL. I dread this shot every night for that reason GHK-Cu Peptides Before and After:
Description
12 , e720 (2022)

Specifically, SIRT3 deacetylates and inhibits aldehyde dehydrogenase 2, which prevents the conversion of acetaldehyde to acetate, potentially leading to acetaldehyde toxicity 183

The other two exist in the market, but they are not worth the tradeoffs

May improve skin quality and markers of dermal density over time in observational and experimental contexts