Technical Guideline for the Study of Perm Cosmetics (Trial)

In accordance with the interpretative notes and claim guidance in the Classification Catalogue, perm cosmetics as defined in this guideline refer to cosmetics intended to change the curvature of hair (curling or straightening) and maintain a relatively stable form. Products that restore the original hair shape upon washing are not classified under this category. This guideline applies to the study of perm cosmetics.