GHK-CU topical or injection?

[incliner]

What is more effective and safer?
And where can I also get GHK-CU from the UK

 

[slaters]

What is more effective and safer?
And where can I also get GHK-CU from the UK

Injection more effective
Topical more convenient
Both safe
Try topical unless your collagens already raped

 

[incliner]

Injection more effective
Topical more convenient
Both safe
Try topical unless your collagens already raped

I got some PIE that I need to fix on my face

 

[incliner]

Injection more effective
Topical more convenient
Both safe
Try topical unless your collagens already raped

Woukd it help PIE? Is more strong than tretinoin ?