Are there any shampoos/hair masks that will give moisture to brittle hair but not make it greasy?

I have very greasy/oily hair so I usually don't use any conditioner. Recently I noticed my hair is quite dry and brittle but whenever I try using products like hair masks, my hair ends up feeling & looking incredibly greasy. Can you give me any tips? And are there any shampoos/hair products that will give my hair moisture but won't make it greasy. Thank you! Em x