how often

oh now i got the point sheryl, so mine is dry and i might no need often wash as oily hair, well my hair is gift from my mother side Kerastase is exclusive product line from loreal. here is the link, and they are so expensive here......1 shampoo of 250 ml cost 8 Lv it means somewat 16$, ad its out of my budget and conditioner is even more pricey http://www.kerastase.com/