CI 42090
Brilliant Blue FCF (FD&C Blue No. 1; triphenylmethane dye)
Synthetic azo-triphenylmethane dye. Generally considered safe at cosmetic use levels. Batch certification required in US (FD&C Blue No. 1). Part of the 'Southampton Six' review in EU food context but cosmetic use is permitted.
Function & Common Use
Colorant
Colorants & Pigments
Shampoos, bath products, mouthwash, hair color, toothpaste
Synthetic
Concentration Limits
As per Schedule III
As per Annex IV
qs (requires batch certification)
None specified
Format restriction: Permitted for general cosmetic use; some restrictions may apply for eye area in specific jurisdictions - verify
Baby restriction: No
Pregnancy: No
IFRA: No
Frequently Asked Questions
Is CI 42090 safe to use in skincare?
CI 42090 has a Medium concern rating. Synthetic azo-triphenylmethane dye. Generally considered safe at cosmetic use levels. Batch certification required in US (FD&C Blue No. 1). Part of the 'Southampton Six' review in EU food context but cosmetic use is permitted.
Is CI 42090 allowed in India?
CI 42090 is currently classified as "Permitted" under Indian cosmetics regulations. The maximum permitted concentration is As per Schedule III.
What is CI 42090 used for in cosmetics?
CI 42090 functions as: Colorant. It is commonly found in: Shampoos, bath products, mouthwash, hair color, toothpaste.
Can CI 42090 cause an allergic reaction?
Yes. CI 42090 has an allergen flag (No). If you have sensitive skin or known fragrance/contact allergies, patch-test products containing this ingredient before full use.
Is CI 42090 safe for babies?
CI 42090 has baby/child restrictions: No. Avoid using products containing this ingredient on infants unless specifically formulated and labelled for baby use.
Regulatory Status
EU Annex: Annex IV (colorant)
Identifiers
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