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1-Naphthol and Ci77891/ Titanium Dioxide are both added colour ingredients. 1-Naphthol is found in 1 product while Ci77891/ Titanium Dioxide 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 Ci77891/ Titanium Dioxide 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 Ci77891/ Titanium Dioxide is found in 1 products in our database.
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© 2026 Gracie. All rights reserved. Data sourced from Open Beauty Facts (ODbL) and EU CosIng.