fifteen nonionic surfactants , 10 % ( w/w ) , were each incorporated into white petrolatum usp ointment base containing 10 % ( w/w ) salicylic acid or 11.6 % ( w/w ) sodium salicylate with 10 % ( w/w ) dimethyl sulfoxide .
C0036079
salicylic acid
C0037549
sodium salicylate