ghk-cu typical daily dose subcutaneous injection Dosage: Clinical Guidance for Safe Administration – PlexusDx What is a GHK CU

The published literature supports topical GHK-Cu's role in potential skin and hair benefits

However, strong acids, high levels of vitamin C, and chelators may affect stability

This dose should be maintained for at least four weeks to assess tolerance and initial therapeutic response before considering further dose escalation

For eczema applications specifically, prioritize vendors that provide batch-specific certificates of analysis, maintain proper cold chain shipping, and use pharmaceutical-grade synthesis processes

The serum is still fresh up to 6 months after opening (with the activeness slowly depleting over time)