[header] How to grow black girls hair [title] Wash your hair every 1 to 2 weeks with a moisturizing shampoo and conditioner. [step] If you wash your hair more often then that, your hair will end up too dry and brittle. This can lead to breakage. 
[substeps] If you need to wash your hair more often, consider using just conditioner. This is known a " co-washing " and is safe to use regularly, because it doesn't strip hair of its moisture.