Biolage Shampoo And Conditioner Why Is Biolage Ultra Hydrating Shampoo/Conditioner Giving Me A?

Why is Biolage Ultra Hydrating Shampoo/Conditioner giving me a? - biolage shampoo and conditioner

itchy scalp?

I have really damaged hair and so I have to use something to the hair moisture, but I do not think improving Head & Shoulders dry scalp with my hair in general, but relief from my itchy scalp.

I have dandruff though.