CI 42090/BLUE 1 vs Red 4
CI 42090/BLUE 1 and Red 4 are both added colour ingredients. CI 42090/BLUE 1 is found in 9 products while Red 4 appears in 1, making CI 42090/BLUE 1 the more widely used option.
Added colour
CI 42090/BLUE 1
Colour pigment
9 products
Added colour
Red 4
Added colour
1 products
Top products with CI 42090/BLUE 1
Top products with Red 4
Frequently asked questions
What is the difference between CI 42090/BLUE 1 and Red 4?
CI 42090/BLUE 1 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/BLUE 1 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/BLUE 1 is found in 9 products, while Red 4 is found in 1 products in our database.