Joico Lumi 10 Perm Creme 7N ( 7.0 ) Natural Medium Blonde-The Lumi Perm Crme hair color range includes a wide variety of shades, from natural tones to bold and bright colors. Each shade is formulated with high-quality pigments and nourishing ingredients, including keratin and argan oil, to help protect and strengthen your hair during the coloring process.