There are some good over-the-counter products but the majority of products being marketed for this are not proven to be effective and theyre pretty expensive
They are tested for banned substances, naturally sweetened with no artificial flavors, and their third-party test results are easily accessible online
When selecting bacteriostatic water, ensure you choose a reputable brand, as the quality can vary
Traditional testosterone therapy can suppress the bodys own hormone production, potentially worsening fertility or causing long-term dependency
A 6-month study of 40 men with male pattern baldness found GHK-Cu treatment increased hair density by 29% and hair shaft diameter by 18% (Pickart et al., Journal of Cosmetic Dermatology, 2021)
Biochem Pharmacol 86:584596