Heres some information about vitamin C safety (there are medical conditions and certain medication interactions which advise caution when supplementing with vitamin C)
[DOI] [PMC free article] [PubMed] [Google Scholar] 37.Liu J, Wei Y, Jia W, Can C, Wang R, Yang X, et al
Typical concentrations range from 0.2-2%, but the percentage can go much higher in rinse-off or hair products (sometimes even above 50%)
This advanced blend combinesGlutathione with Alpha Lipoic Acid (ALA), Vitamin C, Vitamin E, Hyaluronic Acid, Biotin, Grape Seed Extract, Pomegranate Peel Extract, Acai Berry, and Aloe Verato help promote a clearer, healthier-looking complexion from within
doi: 10.1111/j.1745-7254.2008.00900.x 456 WuY.ZhangM.YangY.DingX.YangP.HuangK.et al