Loading...
1-Naphthol and CI 42090 (BLUE 1). *NATURALLY FOUND IN ESSENTIAL OILS are both added colour ingredients. 1-Naphthol is found in 1 product while CI 42090 (BLUE 1). *NATURALLY FOUND IN ESSENTIAL OILS appears in 1, making 1-Naphthol the more widely used option.
Added colour
Colour pigment
1-Naphthol is categorised as "Added colour" while CI 42090 (BLUE 1). *NATURALLY FOUND IN ESSENTIAL OILS 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 42090 (BLUE 1). *NATURALLY FOUND IN ESSENTIAL OILS is found in 1 products in our database.
Some links on this site are affiliate links. We may earn a commission from purchases made through our links, at no extra cost to you. This helps us keep Gracie free and independent.
© 2026 Gracie. All rights reserved. Data sourced from Open Beauty Facts (ODbL) and EU CosIng.