One of the main causes of dandruff is Malassezia and tea tree oil can battle funguses such as the aforementioned Malassezia due to its anti-fungal properties. Typically, this oil is one potent disinfectant for curing dandruff and alleviating itchy scalp as well. ACV, on the other hand, cleanses your clogged pores and maintains the pH balance of your scalp for treating dandruff more quickly. So, how to use tea tree oil and apple cider vinegar for dandruff? low-v backless outfits for formal