Crossword clues for Substance. 6 letters:SLIMESCovers with a viscous substance.NONFATLacking adipose substance.CERATEWaxy substance.PECTINJelling substance.RENNETCurdling substanceCLASSCLike the least dangerous controlled substances, in U.K. lawMARROWBone substanceTONERSPricey office substancesTANNINRed wine substanceFLASHYImpressive, though lacking substanceTALCUMSubstance in the Nash poem "Reflection on Babies"POTASHFertilizer substanceTALLOWCandle substanceHOTWAXHair-removal substanceHEROINIllegal substanceTALCUMFriction-reducing substanceIODINEAntiseptic substanceSALVESSoothing substancesALANONSubstance abuse support groupTARMACRunway substanceENZYMEDigestive-tract substanceDRYICEFog machine substanceNACRESButton substancesPOTIONVial substanceNEBULAGaseous body of stellar substance.POTASHSubstance from wood ashes.DRYERSSubstances used in paints.ALKALISubstance that neutralizes acid.AMADOUSpongy substance used as tinder.SANDEDPolished with a certain substance.PESTLETool used to grind substances.RENNETSubstance that curdles milk.ALOINSSubstances from the aloe.OCTANEPetroleum substance.THESUM___ and substance.CEMENTCalcined building substance.TOXINSPoisonous substancesSOLUTEDissolved substanceALKALISubstance with a pH higher than 7NITRIC___ acid (substance once known as aqua fortis)HOTICENickname for sodium acetate, a crystalline substance in hand warmersNAPALMFire bomb substanceENAMELTooth substanceHOTOILMassage substance, maybeISOMERSame substance, different propertiesTALLOWFatty substanceMAGMASMolten substancesOPIATEControlled substanceTANNINSubstance that gives red wine biteKNOWNSFamiliar substances.