Help with scalp soreness?

At present I wash my hair three times a week, though I wish to wash it less. The only problem is that when I go more than a few days without washing, my scalp begins to hurt as though it is bruised. Is there a reason for this? And is there a way to prevent the it?

2 Answers

My scalp got very tender/sore (and itchy) when I used Deva Curl No Poo and One Condition. Are you by chance using that?
maybe It's because of oil buildup! I used to have the same problem where my scalp would feel really dirty after two days of not washing my hair. What I do to fight it is to spray brown dry shampoo(my hair is brown) on my scalp, I let it be for 30 seconds or so and then I flip my head upside down and massage the shampoo in my hair. It leaves my scalp feeling clean and I can easily go on about my day!