Synopsis

Source of validity: Scientific
Rating (out of 5): 4

Riboflavin (vitamin B2) is scientifically recognized as essential for maintaining healthy skin, and its deficiency is associated with the development of specific types of dermatitis, notably seborrheic dermatitis-like eruptions. Riboflavin acts as a coenzyme in numerous cellular processes, including energy production and the metabolism of fats, drugs, and steroids, which are highly relevant to skin health. Clinical evidence indicates that riboflavin deficiency (ariboflavinosis) can manifest with symptoms such as cracked lips, angular stomatitis, and a characteristic dermatitis, especially around the nose, mouth, and other moist areas. Supplementation with riboflavin reliably reverses these skin symptoms in individuals with deficiency.

However, there is limited evidence to support the use of riboflavin to treat dermatitis in people who do not have a deficiency. Most studies and case reports emphasize supplementation as a corrective measure for deficiency states rather than as a general therapeutic strategy for dermatitis of other etiologies (e.g., atopic dermatitis). In summary, riboflavin is scientifically validated for the prevention and treatment of dermatitis specifically when caused by or associated with riboflavin deficiency, but not as a broad treatment for all forms of dermatitis.

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