| 摘要 |
The present invention relates to a preparation method of a remedial composition for promoting hair growth and preventing hair greying, wherein the preparation method comprises: a raw material selection step for preselecting Houttuynia cordata, Perillae folium, green tea leaves, Cynanchum wilfordii, and peppermint, and removing contaminants and undesirable parts thereof; a washing step for drying the selected materials to prepare dry leaves of Houttuynia cordata, dry leaves of Perillae folium, dry green tea leaves, dry roots of Cynanchum wilfordii, and dry peppermint, and washing the dried materials with water; an extraction step for placing the washed materials in a bag and then introducing the washed materials and distilled water into a concentrating apparatus to extract a concentrated liquid; a pressing step for pressing the materials in the extraction step to separate residual concentrated liquids; a distillation step for distilling the concentrated liquids at 100C or above, and then cooling the concentrated liquids to obtain a composition; and a packaging step for packaging the composition in a package. Accordingly, by minimizing the degradation of nutritional ingredients contained in the natural materials, the preparation method of the present invention can provide a remedial composition for promoting hair growth and preventing hair greying, in which contents of the effective ingredients are maximized. |
