Delivery Methods

Topical, injection, microneedling, and the great penetration debate

Getting GHK-Cu Where It Needs to Go

The best molecule in the world is useless if it can't reach its target. GHK-Cu can be applied topically, injected subcutaneously, delivered via microneedling, or enhanced with iontophoresis and liposomes. But there's an ongoing debate about whether topical GHK-Cu actually penetrates skin effectively. This unit examines every delivery method and the evidence for each.

interactive delivery comparison

Knowledge Check

Test what you've learned about GHK-Cu delivery methods.

Practice Exercises

Reinforce your understanding.