Vetpalai Thailam for Psoriasis Vetpalai Thailam is medicated oil used in treatment of psoriasis. Psoriasis (Kalanjagapadai in siddha) is chronic skin disease characterised by red, itchy, scaly patches. Vetpalai Thailam is a Siddha medicine that is used in the treatment of Psoriasis. It is medicated oil prepared from Vetpalai (Wrightia tinctoria) and coconut oil. It is used both internally and externally. Vetpalai or Wrightia tinctoria plant leaves contain flavonoids, glycoflavones-iso-orientin and phenolic acids and is very effective in the treatment of Psoriasis and many other skin diseases.Here is given more about Vetpalai Thailam such as indication/therapeutic uses, composition and direction for use. Key Ingredients of Vetpalai Thailam An equal amount of Wrightia tinctoria leaves and coconut oil. The leaves are cut in small pieces and kept in coconut oil which is put under sunlight for a few days. Uses of Vetpalai Thailam Vetpalai Thailam is medicated oil used in the treatment of psoriasis. Psoriasis (Kalanjagapadai in siddha) is chronic skin disease characterised by red, itchy, scaly patches. It causes cells to build up rapidly on the surface of the skin. The extra skin cells form thick, silvery scales and itchy, dry, red patches that are sometimes painful. How to use Vetpalai Thailam This is suitable for internal and external use. One teaspoonful of oil is given in morning and evening. It is applied externally on the affected skin areas. The skin part is allowed to be drenched in oil for more than two hours and then washed.