1-Naphthol vs Cl 15510 (Orange 4)
1-Naphthol and Cl 15510 (Orange 4) are both added colour ingredients. 1-Naphthol is found in 1 product while Cl 15510 (Orange 4) appears in 1, making 1-Naphthol the more widely used option.
1-Naphthol
Added colour
Cl 15510 (Orange 4)
Added colour