Sodium riboflavin phosphate is a derivative of Vitamin B2.
According to medical dictionaries, this ingredient “combines with phosphate to form enzyme cofactors flavin mononucleotide–FMN and flavin adenine dinucleotide–FAD, both involved in oxidation-reduction reactions.”
Sodium Riboflavin Phosphate is FDA approved. The Cosmetics Database considers Sodium Riboflavin Phosphate a low hazard ingredient, and the Environmental Canada Domestic Substance List classifies it “as not expected to be potentially toxic or harmful.” No studies were found that listed negative side effects or hazard warnings regarding the use of this ingredient, as a supplement, food ingredient, or when applied topically.
Vitamin B, however, is known to cause oily skin at times.
None are recorded.