Ingredient
FD&C Blue 1 + D&C Red 33
What is FD&C Blue 1 + D&C Red 33?
FD&C Blue 1 and D&C Red 33 are synthetic dyes used to impart color in various products. Blue 1 is derived from coal tar or synthesized from an oil base, while Red 33 is a synthetic dye often derived from petroleum sources.
These colorants are used to enhance the visual appeal of products, particularly in cosmetics like hair care. The health evidence on synthetic dyes varies; some studies suggest a potential for allergies or hypersensitivity reactions, but overall evidence regarding significant health risks is mixed.
When you see these dyes on a label, it typically indicates an artificial coloring agent. They are regulated for safe levels in consumer products, but some consumers prefer to avoid synthetic dyes altogether.
Commonly found in: hair care, cosmetics, personal care products, soaps, lotions
What to watch
- Some individuals may experience allergic reactions or sensitivities to synthetic dyes.
- Animal studies have suggested potential links to cancer, but evidence in humans is inconclusive.
Both FD&C Blue 1 and D&C Red 33 are approved for use in cosmetics by the FDA, within specified limits.
Studies on synthetic dyes highlight potential sensitization risk; however, conclusive evidence linking them to major health issues in humans is lacking.
These dyes are synthetic and not derived from animal sources, aligning with vegan standards.
Sources: Color Additives: FDA's Regulatory Process and Historical Perspectives · Synthetic Food Dyes and Neurobehavioral Hazards: The View from Environmental Health Research
Scout's take
Two synthetic petroleum-derived dyes used purely to color the contents blue. Red 33 is FDA-prohibited in lip products due to staining concerns. No functional benefit.
Found in 1 product
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