Polytar Liquid Polytar Liquid is used for the treatment of scalp disorders such as psoriasis, dandruff, seborrhoea, eczema & pruritus. Polytar Liquid is also of value in the removal of ointments & pastes used in the treatment of psoriasis. Ingredients The active ingredient is Tar Blend (1% w/w) (contains Pine tar, Cade Oil, Coal Tar Solution & Arachis Oil extract of Coal Tar). The other ingredients are Oleyl Alcohol, Coconut Diethanolamide, Hexylene Glycol, Polysorbate 80, Triethanolamide Lauryl Sulphate, Sodium Chloride, Citric Acid, Octylphenoxypolyethoxy Ethanol, Imidurea, Fragrance 5412, Purified Water. Directions Adults & children: massage into wetted hair & scalp then rinse. Use once or twice weekly.