Capasal therapeutic shampoo triple pack is for the treatment of dry and irritated scalp conditions such as seborrhoeic eczema seborrhoeic dermatitis dandruff psoriasis and cradle cap in children capasal therapeutic shampoo may also be used to remove previous scalp applications how does it work this shampoo contains a combination of coal tar salicylic acid and coconut oil coal tar is mildly antiseptic that relieves itching and helps to reduce the excessive hardening thickening and scal