We've all been there: You step out of the shower after lathering your favorite shampoo and conditioner into your hair, and then, after drying and styling as usual, you find that your hair is still greasy—even after all that hard work! And whether you're encountering this after working out, styling your hair differently, or simply during a run-of-the-mill wash day, it's frustrating and even baffling. But why does hair sometimes still feel like an oil slick at the roots, even after a routine cleanse?
"If your hair feels greasy after you shampoo it, it may not have been washed very well," says Allison Gandolfo, celebrity hairstylist and designer colorist at the Zahir Ziani Salon.
