The first way to stop dull hair is vinegar. Any form of vinegar can be used, each vinegar brings a different effect depending on the type of hair color. For example, apple cider vinegar brings auburn colors, red wine vinegar brings natural brunette highlights, and white vinegar brings highlights to blondes.
Use it after shampoo and rinse. The best frequency too boring and fat dissolving hair is 2-3 times per week.
The apple cider vinegar will shut down the dullness of your hair and your hair soft and shiny and bring its natural highlights. The advantage of this is that each color will not strip your hair dyed.
The best solution to get your scalp to a balance and nourish is ArganRain Argan oil. Before you shampoo, just give yourself a nice scalp massage with this oil. 
The best frequency for washing your hair once a day, but cut down on conditioning its commercial products as the conditioner only helps you quickly become greasy hair. Stop washing your hair with shampoos that many chemicals that cause you contain greasy hair and dull. Even washing your hair too much can lead to produce more oil. By just cutting off the frequency of washes will oily hair to leave problems.
ARGANRAIN HAIR AND SKIN CARE PRODUCTS 