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1-Naphthol and CI 17200 (RED 33) are both added colour ingredients. 1-Naphthol is found in 1 product while CI 17200 (RED 33) appears in 12, making CI 17200 (RED 33) the more widely used option.
Added colour
Colour pigment
Olia Hårfarge Metallic Silver 9.11
1-Naphthol is categorised as "Added colour" while CI 17200 (RED 33) 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 17200 (RED 33) is found in 12 products in our database.
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