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1-Naphthol and CI 19140. [PR-0000005] are both added colour ingredients. 1-Naphthol is found in 1 product while CI 19140. [PR-0000005] appears in 1, making 1-Naphthol 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. [PR-0000005] 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. [PR-0000005] is found in 1 products in our database.
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