Abstract: The present invention discloses a hair conditioner composition comprising a) from about 0.15% to about 16% moisture control material or mixtures of moisture control materials wherein one or more moisture control material is selected from the group containing: i. Class I Moisture Control Material having the structure selected from: wherein R? is —COOY, sulfonic acid, or —C?CH—COOY, Y is hydrogen or a metal ion, R1, R2, R3, R4, R5 is hydrogen, methyl, ethyl, propyl, vinyl, allyl, methoxy, ethoxy, hydroxyl, halogen, sulfate, sulfonate, nitro,or —CH?CH—COOR, and wherein the moisture control material is an acidic material and further wherein the moisture control material has a % Protein binding higher than 20 and Molecular Volume lower than 500 and Partition coefficient octanol to water (log P) lower than 3 and hydrogen binding higher than 10 and pKa lower than 5.0; ii.