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Current Opinion in Biotechnology, 65 , 118-128

These records support traceability and allow researchers to verify compound quality and consistency across experiments

Low molecular Copper Tripeptide-1 (GHK-Cu) with 99% purity 1,000ppm helps reduce the appearance of fine lines and sagging by promoting collagen and elastin production deep within the skin, delivering visible skin regeneration and long-lasting firmness

Poor compound quality: unverified research-grade peptides may contain degraded or impure product

In both animal models and controlled human studies, DSIP has been associated with modulation of endogenous sleep-regulating systems rather than direct sedative activity, supporting its classification as a neuromodulator rather than a pharmacological hypnotic agent [2]

Gently dab to aid absorption