7 days on GHK Cu. Here's my honest update. I'm not going to hype this up because the real results don't even start until week 46. But something is already happening. GHK Cu Peptides Benefits for Anti Aging Skin Rejuvenation How to Use With Micro Infusion 7 days on GHK Cu. Here's my honest update. I'm not going to hype this up because the real results don't even start until week 46. But something is already happening. 7 days on GHK Cu. Here's my honest update. I'm not going to hype this up because the real results don't even start until week 46. But something is already happening. Cashmere (Caffeine GHK Cu Tretinoin w Niacinamide) Strive Pharmacy