Ceelie I, James LP, Gijsen V, et al
The first statement is not used because it permits to take or as a value, in which case, if or respectively, then would be undefined (because the multiplications and are undefined)
L., Malheiro A
Include unnecessary fillers or fragrance
For peptide serums in particular, packaging can influence how well the active ingredients maintain their stability during storage and use
Antioxid Redox Signal 28:16261651 Diaz-Hung ML, Yglesias-Rivera A, Hernandez-Zimbron LF, Orozco-Suarez S, Ruiz-Fuentes JL, Diaz-Garcia A, Leon-Martinez R, Blanco-Lezcano L, Pavon-Fuentes N, Lorigados-Pedre L (2016) Transient glutathione depletion in the substantia nigra compacta is associated with neuroinflammation in rats