CI 42090 vs Red 4
CI 42090 and Red 4 are both added colour ingredients. CI 42090 is found in 63 products while Red 4 appears in 1, making CI 42090 the more widely used option.
Added colour
CI 42090
Colour pigment
63 products
Added colour
Red 4
Added colour
1 products
Top products with CI 42090
Top products with Red 4
Frequently asked questions
What is the difference between CI 42090 and Red 4?
CI 42090 is categorised as "Added colour" while Red 4 is categorised as "Added colour". They serve different functions in skincare formulations.
Can I use CI 42090 and Red 4 together?
In most cases, these ingredients can be used together. However, always patch test and introduce new ingredients gradually.
Which is more common in skincare products?
CI 42090 is found in 63 products, while Red 4 is found in 1 products in our database.