ghk-cu mechanism of action G H K. K E R A T I N. delivers copper that coordinates with available cysteine thiols on damaged keratin, driving surface-state changes that smooth and stabilize the fiber; keratin protein bpc 157 Cyanocobalamin Vitamin B-12 1000 Size x Gauge x Needle Length:3cc 20g x 1 1/2"
SKU: 8259730540
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Ships within 48 hours · Estimated delivery Sep 13 - Sep 18