Healthy hair starts at the scalp. Introducing Head and Shoulders Lemon Oil 2 in 1 formula, brought to you by the #1 dermatologist-recommended brand. This anti-itch, anti dandruff shampoo and conditioner formula deep cleans your scalp to remove build-up and relieve dandruff symptoms.+ Now you can rinse away residue, oil, and flakes and improve your scalp and hair health every time you shower. Crafted with lemon essential oil. Plus, each bottle comes with an up to 100% flake-free guarantee. associated with dandruff+with regular use, visible flakes; with regular use, Satisfaction Guarantee: If you are not satisfied, call 1-800-843-3543.