1-Naphthol vs D&C Red No. 33 (Ci 17200)
1-Naphthol and D&C Red No. 33 (Ci 17200) are both added colour ingredients. 1-Naphthol is found in 1 product while D&C Red No. 33 (Ci 17200) appears in 2, making D&C Red No. 33 (Ci 17200) the more widely used option.
1-Naphthol
Added colour
D&C Red No. 33 (Ci 17200)
Added colour