Most patients achieve lightning that lasts months to one year, however this is highly variable, depending on genetics, hormonal influx & sun exposure
For hair-specific applications, some protocols combine systemic subcutaneous GHK-Cu with direct scalp delivery via mesotherapy, injecting diluted GHK-Cu solution directly into the scalp to maximize follicle-level exposure alongside systemic administration
Take your dose 20 to 30 minutes before a meal or 2 to 3 hours after eating
Consistent daily use is more effective than occasional high doses
Some individuals may experience digestive upset or nausea, especially if taken on an empty stomach
Researchers focused on skin firmness, texture, and structural regeneration tend to study GHK-Cu