1-Naphthol vs CI 42090 / BL
1-Naphthol and CI 42090 / BL are both added colour ingredients. 1-Naphthol is found in 1 product while CI 42090 / BL appears in 2, making CI 42090 / BL the more widely used option.
1-Naphthol
Added colour
CI 42090 / BL
Colour pigment