Riboflavin
INCI: Vitamin B2
Reviewed by Kate · Last updated 18 Aug 2026
Riboflavin, also known as vitamin B2, is lacking research
EWG Safety Score
What Is Riboflavin?
Riboflavin, also known as vitamin B2, is lacking research backing the benefits of topical application of this ingredient for skin.
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Riboflavin is a variant of Lactoflavin, the form you will most often see on an ingredients list.
A B vitamin form used primarily as a colourant in hair and cosmetic products
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