N-druff shampoo contains a combination of ingredients like lemon oil, tea tree oil, calendula extract and arnica extract which help cure dandruff and head lice. Shampoos containing about salicylic acid are often considered effective at treating itchy scalp and dandruff issues. They moisturise by nourishing your scalp and your hair really well. They clear all blockages in the pores. It also contains Olive Oil which is your best friend in case you have dry damaged hair that lead to other hair problems like split ends and frizzy hair.