One 'n only argan oil fast 10 permanent hair color kit is a hair color kit that comes prepackaged with all the tools that you need to color your hair a beautiful tone. Formulated with vegetable squalene oil and argan oil. Enriched with Keraveg-18 - several amino acids as well as arginine, serine and threonine, three extremely important amino acids selected to mimic the keratin composition of hair.