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Decreased appetite, fatigue, and headaches are also common
Most patients tolerate them well, but some may experience mild and temporary side effects
The combination of hepsin with NAC shows a synergistic effect, providing more effective protection than NAC alone, thus offering new avenues for enhancing current treatment approaches
It's generally recommended to avoid layering GHK-Cu with highly acidic ingredients like L-ascorbic acid (Vitamin C) or potent retinoids in the same session, as this can reduce efficacy or increase irritation
Its injected subcutaneously
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