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1-Naphthol and CI 19140 are both added colour ingredients. 1-Naphthol is found in 1 product while CI 19140 appears in 55, making CI 19140 the more widely used option.
Added colour
Colour pigment
Olia Hårfarge Metallic Silver 9.11
1-Naphthol is categorised as "Added colour" while CI 19140 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 19140 is found in 55 products in our database.
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