1-Naphthol vs CI 77499 / IRON ONIDES
1-Naphthol and CI 77499 / IRON ONIDES are both added colour ingredients. 1-Naphthol is found in 1 product while CI 77499 / IRON ONIDES appears in 1, making 1-Naphthol the more widely used option.
1-Naphthol
Added colour
CI 77499 / IRON ONIDES
Colour pigment