Coal tar works as Keratoplastic. It causes the skin to shed dead cells from its top layer and slow down the growth of skin cells. – Salicylic acid helps in the shedding of dead skin cells by reducing redness and swelling (inflammation). – Clotosc Ointment has Keratolytic and anti-inflammatory properties. – It decreases scaling, itchiness and dryness of skin. – It reduces erythematous scaly lesions.