Quaternary ammonium salts
Brian Clegg introduces a family of molecules that first gave fluffy softness to freshly washed clothes
Brian Clegg introduces a family of molecules that first gave fluffy softness to freshly washed clothes
Brian Clegg introduces a family of molecules that first gave fluffy softness to freshly washed clothes
Brian Clegg introduces a family of molecules that first gave fluffy softness to freshly washed clothes