For example, the U.S
Gemfibrozil for the secondary prevention of coronary heart disease in men with low levels of high-density lipoprotein cholesterol
You can complement it with oral supplementation to enhance its effectiveness and achieve overall skin brightening
10.1186/s12943-020-01258-7 Summary Keywords ulcerative colitis, GHK-Cu, SIRT1/STAT3 pathway, co-culture system, network pharmacology, molecular docking Citation Mao S, Huang J, Li J, Sun F, Zhang Q, Cheng Q, Zeng W, Lei D, Wang S and Yao J (2025) Exploring the beneficial effects of GHK-Cu on an experimental model of colitis and the underlying mechanisms
Its best suited for those with advanced concerns of discolouration, uneven skin tone and lack of firmness
subcutaneous injection)