I was searching the site www.Islamicity.com and I came across a search engine in which I can search for Hadiths. I searched the hadith for hair. One of the hadith said:
Does that mean muslims can dye their hair?Narrated Abu Huraira
The Prophet said, "Jews and Christians do not dye their hair so you should do the opposite of what they do.
001.012.774 - Characteristics of Prayer - - - -
Narrated Ibn 'Abbas: