Iron Oxide vs Red 4
Iron Oxide and Red 4 are both added colour ingredients. Iron Oxide is found in 2 products while Red 4 appears in 1, making Iron Oxide the more widely used option.
Added colour
Iron Oxide
Added colour
2 products
Added colour
Red 4
Added colour
1 products
Top products with Iron Oxide
Top products with Red 4
Frequently asked questions
What is the difference between Iron Oxide and Red 4?
Iron Oxide is categorised as "Added colour" while Red 4 is categorised as "Added colour". They serve different functions in skincare formulations.
Can I use Iron Oxide 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?
Iron Oxide is found in 2 products, while Red 4 is found in 1 products in our database.