nice hair lotion for treating dandruff. nice hair lotion is used to treat itching and get rid of dandruff. It contains piroctone, oleamine, and coal tar, which in turn helps in exfoliating the scalp, which helps in removing dead and infected skin cells. It also works to slow down the growth of skin cells, and this effect reduces flaking and dryness on the scalp. Coal tar can also reduce itching resulting from skin diseases.