LOreal Homme Cover 5 Hair Color Gel Ammonia Free 3 Dark Brown 3x50ml/3x50ml LOreal Homme Cover 5 Ammonia Free Hair Color Gel 3 Dark Brown is a grey blending service works in five minutes. An ammonia-free gel enriched with incell restores the hair's pigments to blend away grey hair. L'Oreal Professionnel Homme Cover 5 is available in six shades specifically designed to suit men's natural hair colouring from brown to blonde. Oxidant is not included. It has to be bought separately.