No. 4.1
Radiant Red!

RefectoCil No. 4.1 Red is a very strong colour. Mix Red with any other RefectoCil cream hair dye to achieve a more intense, warm tone! Mixed with the colour Chestnut, the result is softer. If you mix red and deep blue, you get a beautiful purple.

Water (Aqua), Cetearyl Alcohol, Tetraaminopyrimidine Sulfate, 2-Methylresorcinol, Sodium Laureth Sulfate, Polysorbate 80, Iron Oxides (CI 77491).