The Compendium of Caraka 1.3.16

1.3.16

palāśanirdāharasena cāpi karṣoddhṛtānyāḍhakasaṃmitena/
darvīpralepaṃ pravadanti lepametaṃ paraṃ kuṣṭhanisūdanāya//

And also with the ash-water of palāśa in the measure of one āḍhaka, boiled down to one karṣa;
they declare this paste, adhering to the ladle, to be supreme for destroying dermatoses.