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In a controlled human trial, GHK-Cu applied to skin raised collagen in 70% of volunteers, beating vitamin C (50%) and retinoic acid (40%), and improved firmness and elasticity
I feel hopeful again
This does not mean one product is always preferable
A health assessment matters
Alcohol can dehydrate you and cause you to experience nausea and headaches
The skin appears smoother, tighter, brighter, and more even-toned with consistent use
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