You are not old enough but the grey hair are bothering you. Take care of your hair with Just For Men shampoo-in hair color and look more youthful! Real black shade is a deep blackish color, it suits all hair types and cuts. The ammonia-free coloring shampoo gives body to your hair without damage. Designed with “grey target technology” it replaces grey/lighter tones of your hair in only 5 minutes, without affecting naturally pigmented hair. The results after-dye may vary due to your natural hair color.