doi: 10.1002/sim.3697 37 CohenJ
After a few minutes, my face feels refreshed and hydrated, and my complexion looks noticeably brighter and more even
Reduces visible tan from early uses 2
Supplements discussed include calcium, fiber (such as psyllium), iron, potassium, probiotics, protein, turmeric/curcumin, vitamin B-12, vitamin D, and low-dose lithium, as well as supplements that can affect blood sugar control, supplements for hair loss, and supplements used for skin wrinkles (such as collagen)
A., Alix, J
10.1371/journal.pone.0133174 172 ZhangX.ZhaoQ.ZhuW.LiuT.XieS