摘要 |
<p>New hair rinsing and conditioning cream (A) having viscosity 200-2000 cps. at 25 degrees C, consists of (a) a surfactant compsn. contg. mainly N-(stearoyl-colaminoformyl-methyl)-pyridinium chloride (I), contaminated with no more than a small quantity of N-(palmitoylpcolaminoformyl-methyl)-pyridinium chloride (II), (b) small quantities of preservative and perfume, balance (c) water. (A) improves hair quality and handling and acts as lubricant to reduce hair matting. Hair-drying time is reduced. Used for prod. contg. (I) with small quantities of (II) increases stability and viscosity of (A) without adding stabilisers and thickeners.</p> |