Red 4 vs Red 40
Red 4 and Red 40 are both added colour ingredients. Red 4 is found in 1 product while Red 40 appears in 3, making Red 40 the more widely used option.
Added colour
Red 4
Added colour
1 products
Added colour
Red 40
Added colour
3 products
Top products with Red 4
Top products with Red 40
Frequently asked questions
What is the difference between Red 4 and Red 40?
Red 4 is categorised as "Added colour" while Red 40 is categorised as "Added colour". They serve different functions in skincare formulations.
Can I use Red 4 and Red 40 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?
Red 4 is found in 1 products, while Red 40 is found in 3 products in our database.