Independent testing of research-grade peptides purchased online has found purity levels ranging from below 50% to over 100% of stated concentration, along with bacterial endotoxin contamination and incorrect peptide sequences
No, it helps brighten and even skin tone, not permanently whiten
Mkhize SA, Nthlane RA, Xhakaza SP, et al
Use caution with other injectable products, liver support supplements, or high-dose antioxidants such as vitamin C, vitamin E, N-acetylcysteine, and alpha-lipoic acid, because they may change effects or side effects
Chou, S.-T., Leng, Q
Drug Interactions to Be Aware Of Be especially mindful if you take blood thinners