CI 45380 (RED 21) vs Red 4
CI 45380 (RED 21) and Red 4 are both added colour ingredients. CI 45380 (RED 21) is found in 1 product while Red 4 appears in 1, making CI 45380 (RED 21) the more widely used option.
Added colour
CI 45380 (RED 21)
Colour pigment
1 products
Added colour
Red 4
Added colour
1 products
Top products with CI 45380 (RED 21)
Top products with Red 4
Frequently asked questions
What is the difference between CI 45380 (RED 21) and Red 4?
CI 45380 (RED 21) is categorised as "Added colour" while Red 4 is categorised as "Added colour". They serve different functions in skincare formulations.
Can I use CI 45380 (RED 21) 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 45380 (RED 21) is found in 1 products, while Red 4 is found in 1 products in our database.