Harper, D L The effect of treatments on the shear modulus of human hair measured by the single fiber torsion pendulum. [electronic resource] - Journal of cosmetic science - 329-37 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 1525-7886 Subjects--Topical Terms: Cellulose--analogs & derivativesCetrimoniumCetrimonium Compounds--chemistryElasticityHair--chemistryHair Preparations--chemistryHumansQuaternary Ammonium Compounds--chemistry