Quaternary nitrogen-containing vitamin E derivatives and uses thereof

摘要

A quaternary nitrogen-containing vitamin E and quaternary nitrogen-containing polyethoxylated vitamin E are disclosed. Methods for preparing the quaternary nitrogen-containing vitamin E derivatives which comprises reacting vitamin E or polyethoxylated vitamin E with a quaternizing agent selected from quaternary halohydrins and epoxides to effect a quaternization are also disclosed. The quaternary nitrogen-containing vitamin E derivatives show an improved substantivity to skin or hair and a good water dispersibility as well as may be employed as an useful surface active agent in cosmetics.