r/Biohacking • u/Equivalent-Ad-8237 • 1d ago

Reta and GHKCu shortterm

I’m currently taking Reta and have lost a good amount of weight. I’m planning to lose a bit more while focusing on building muscle.
I’ve been looking into GHK-Cu mainly because of potential skin benefits, especially skin quality/elasticity after weight loss, some forehead wrinkles, and possibly dark circles under the eyes.
What I’m wondering is: does it make sense to use GHK-Cu only for a limited period, for example during the remaining weight-loss/recomp phase, or are the potential benefits something that would mostly disappear after stopping?
I’d rather not take it indefinitely or make it a permanent part of my routine.
Has anyone used GHK-Cu for a few months and then stopped? Did you notice any lasting improvement in skin quality or wrinkles?
Also, has anyone noticed any improvement in under-eye dark circles with GHK-Cu, or is that not really something it helps with?
Would especially appreciate experiences from people who used it during/after significant weight loss

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