HENNA EXTRACT AND METHOD FOR PRODUCING THE SAME, REFINED HENNA EXTRACT AND METHOD FOR PRODUCING THE SAME, HAIR PREPARATION

摘要

PROBLEM TO BE SOLVED: To obtain a refined Henna extract derived from Henna, a plant belonging to Lythraceae family, and capable of effectively and easily dyeing the hair, and to provide a method for producing such an extract. ;SOLUTION: This refined Henna extract containing high concentrations of lawsone as dyeing ingredient is obtained by selective adsorption treatment with an adsorbent of a Henna extract obtained by subjecting the dry powder of Henna belonging to Lythraceae family to extraction with water or an alkaline water. When the hair is to be dyed, a solution of the refined Henna extract is either directly or, after formulated in a hair preparation, applied to the hair.;COPYRIGHT: (C)2001,JPO