Garnier Nutrisse nourishing color cream 20 Soft Black. Because color works better on hair that's healthy and well-nourished, Nutrisse cream is fortified with grape seed oil and a nourishing triple oil conditioner containing a blend of avocado, shea and olive oils. Its creamy, no-drip formula delivers exceptionally rich, radiant color with 100 percent grey coverage and its special conditioner helps keep your hair nourished up to 8 whole weeks.