CI 42053
Is CI 42053 safe for seborrheic dermatitis?
There is not enough applicable seb derm evidence to give CI 42053 a clear general suitability recommendation. Its colourant role and inclusion of the exact identity in the EU colourant list do not establish a treatment effect or individual comfort.
The checked research included other routes and purposes, such as food-colour toxicology and staining or engineering applications. These cannot predict the response to an ordinary cosmetic formula or establish an independent Malassezia effect. Consider the finished product and intended use, and ask for advice about persistent irritation.
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What is it?
A quick identity check, separate from the seb derm guidance above.
01 / 05- Material type
- Cosmetic colourant
- Cosmetic function
- Colorant
What is CI 42053 used for in skincare?
CI 42053 is the colourant also identified as Fast Green FCF, recorded under CAS 2353-45-9. Its official description places it in a triphenylmethane colour group. A colouring function changes appearance; it does not supply a clinical seb derm purpose.