What causes Dandruff? How can it be treated? Body's general health is directly reflective on the hair and skin. Weather changes, diet alterations, stress levels, hormonal ups and downs and a lot more factors come into play when it comes to texture of hair and suppleness of the skin. When talking about scalp care, dandruff is one of the most frequent conditions faced by majority. While some deal with oily dandruff, others have a hard time keeping the dry flakes off. Lemon: Fights Dandruff. Strengthens roots and adds Shine to hair.Tea Tree Extract: Cleanses and Conditions Hair. Keeps scalp free of infections.