n.a substance added to another to make it less hard

Softeners
Softeners
Softeners
A new Generation of Softeners
Biodegradable fabric softeners
Cationic surface active agents as fabric softeners
Extreme Case Formulations: Softeners, Investment, and Doing Nonliteral
Film morphology and characterization of functional polysiloxane softeners
A randomised controlled trial of ion-exchange water softeners for the treatment of eczema in children.
Solution behavior of dialkyldimethylammonium chloride in water. Basic properties of antistatic fabric softeners
Magnetic resonance colonography without bowel cleansing using oral and rectal stool softeners (fecal cracking)—a feasibility study
Environmental fate and effects of DEEDMAC: A rapidly biodegradable cationic surfactant for use in fabric softeners
A multicentre randomized controlled trial of ion‐exchange water softeners for the treatment of eczema in children: protocol for the...