There is no upgrade, just verified purity at the price it should have always been
It helps in achieving an even tone and brighter complexion from tip to toe, and slows down the production of melanin, reduces and protects skin from UV damage such as tanning
Light protection keeps product in original vial with minimized light exposure, while moisture protection requires sealed, dry conditions
Acne typically develops due to excess oil (sebum) production, blocked pores, bacterial overgrowth, and inflammation
Mammalian Amino Acid Transport: Mechanisms and Control
Imbernon M, Saponaro C, Helms HCC, Duquenne M, Fernandois D, Deligia E, et al