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1-Naphthol and CI 77491 are both added colour ingredients. 1-Naphthol is found in 1 product while CI 77491 appears in 36, making CI 77491 the more widely used option.
Added colour
Iron oxide — red pigment
Olia Hårfarge Metallic Silver 9.11
1-Naphthol is categorised as "Added colour" while CI 77491 is categorised as "Added colour". They serve different functions in skincare formulations.
In most cases, these ingredients can be used together. However, always patch test and introduce new ingredients gradually.
1-Naphthol is found in 1 products, while CI 77491 is found in 36 products in our database.
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