This is by design
Synthesis of (((ethane-1,2-diylbis(azanediyl))bis(carbonyl))bis(4,1-phenylene))diboronic acid(EBPBA) 4-Carboxyphenylboronic acid (3.65 g, 22.00 mmol), ethylenediamine dihydrochloride (1.33 g, 10.00 mmol), HATU (11.40 g, 30.00 mmol) and HOAT (4.08 g, 30.00 mmol) were dissolved in DMF (40 mL) under nitrogen atmosphere and ice bath conditions
In a smaller pilot study, investigators measured coronary artery calcium using electron-beam computed tomography to assess the effect of supplementation with aged garlic extract on the progression of atherosclerosis in 19 adults already taking HMG-CoA reductase inhibitors (lipid-lowering drugs also known as statins) (18)
If the peptides will be used immediately, or in the next several days, weeks or months, short-term refrigeration under 4C (39F) is generally acceptable
These products are popular as skin-lightening agents because they significantly decrease the melanin index