Many of us take the health of our scalp for granted and don’t give the skin on our head much consideration. Instead, when we pick out shampoo, conditioner, and hair products, we tend to focus on how they will benefit our hair. But it’s different for those with scalp issues. For many, constantly feeling the need to scratch can be distracting, dandruff flakes falling onto clothing can be embarrassing, and finding bumps can be alarming. MORE PHOTO ( 26 PHOTO) The health of your scalp determines the health of your hair. “Your scalp is like the soil of a farm. Poor soil will directly affect the well-being of the plants growing in it,” Umar says. “Similarly, anything that would cause scalp inflammation can be harmful to the existence and well-being of hair.” Our scalp contains about 100,000 follicles, according to the American Academy of Dermatology Association. Like a seed sprouting a tree, each follicle contains a single hair that grows. The follicles also produce sebum, or oi...