GHK-Cu helps by: Extending the anagen phase , allowing hair to grow longer and thicker
however, there is no mention of the practical application of the use of these medications beyond the purpose of decreasing GI symptoms in the perioperative setting

According to the UK SmPC, the most common side effects include: Nausea (very common, affecting more than 1 in 10 people): Usually most pronounced during the first few weeks of treatment and often diminishes with continued use Diarrhoea (common, affecting up to 1 in 10 people): Typically mild to moderate in severity Vomiting (common): More frequent at higher doses Constipation (common): May occur alongside other gastrointestinal effects Abdominal pain or discomfort (common): Relatively frequent during treatment initiation Decreased appetite (very common): An expected effect related to the medication's action Dyspepsia/indigestion (common): May contribute to discomfort after eating Beyond gastrointestinal effects, other recognised adverse reactions include injection site reactions (redness, itching, or swelling at the subcutaneous injection site), fatigue , and dizziness
Here, injectable B vitamins, specifically Vitamin B12 injections, play a crucial role