| 摘要 |
<p>An oxidative hairdye composition of a single preparation type containing an oxidase and a process for producing the same, characterized in that, (i) the composition is filled in a container in such a state that the oxygen concentration at the headspace is made 1 % by weight or less or (ii) a mixing operation of the components containing the oxidase is carried out in the absence of oxygen and the filling of the resulting composition into the container is carried out in the absence of oxygen.</p> |
