Water Retention from GHK-CU

Composure

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Sep 8, 2026
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Sydney, Australia
I've been using GHK-CU at 2mg daily, and I'm noticing that I'm retaining water in both my face and body. This water retention is getting annoying. I paused it for 2 days and then resumed, and by the second day the water retention returned.

It's most noticeable on my face. Has anyone dealt with this before? Would lowering my dose help?
 
Throughout the 8 months I've been taking Cu, this problem has never come up for me. My starting dose was on the lower side, though whether that matters, I can't say. With any luck, someone who knows more about this than I do will have something useful to contribute.
 
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