I have had combination skin my whole life & in addition to having dry scalp to scalp issues i don't need individuals making assumption on thinking it could be the products or it could be this my i have thick hair.everybody's skin type hair type is different there are people who have oily skin ,dry skin ,combination skin & sensitive skin types there are people who have fine hair,course hair thick hair curly hair. there are products that ive used that have dried out my scalp or have irritated it i don't use sulfure free or paraban free products.