摘要:
The present invention relates to compositions of first agents of a permanent hair waving agent and a hair straightener for self-diagnosis with a reducing catalyst, respectively, and their manufacturing methods thereof. More specifically, the present invention relates to compositions of first agents a permanent hair waving agent and a hair straightener for self-diagnosis with a reducing catalyst, respectively, and their manufacturing methods thereof, wherein each of the first agents is a reducing agent prepared in two different solutions of A and B and mixed in a predetermined ratio immediately prior to use. Upon mixing, the first agent gives rise to a peculiar color thus enabling to identify both active ingredients and the properties of the solutions being used well in advance of hair styling performance -+y assisting proper selection of a permanent hair waving agent and a hair ,˜ner most suitable for each hair kind thus securing safe performance of hair a also preventing hair damage.