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Short-term GHK-Cu use (weeks to few months) typically shows benefits gradually declining toward baseline over 2-4 months post-discontinuation as newly synthesized collagen undergoes normal degradation without replacement at treatment-stimulated rates
What would it take to actually prove GHK-Cu works for hair
How should GHK-CU be stored before and after reconstitution
Can be used for sensitive skin as well iHerb customer Gold Posted on Nov 27, 2025 Israel 344 2 1 60 Verified purchase The quality is so good my mom loves it i wish the size was bigger for the price tho 901147280 Silver Posted on Nov 13, 2025 Israel 100 18 0 2
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