Not enough protein, too much moisture: This reduces its sheen and can make it appear frizzy and dull. This girl is currently my role model. Must get my hair Frizzy hair is because of lack of moisture and the moisture gets lost due to extreme humidity, use of blow dryer, contact with chlorine water, and chemicals in the hair care products. Why is my hair frizzy . I have curly hair, but the rest of it. Don't wash your hair more than twice a week if you have thick, curly, or coarse hair. Sometimes, with frizzy hair, less is more: Before we get into what can make your hair appear frizzy, it’s important to know what the underlying cause is. Dry, frizzy, dehydrated hair bumming you out? Your skin is also likely to change in its ability to generate new hair cells. Ohhh girl, we feel your pain. Dry hair is frizzy hair, so if you are experiencing frizz, your hair is likely asking you for more moisture. I've always had problems with my hair being frizzy and appeari...