A method of manufacturing a cosmetic product for regenerating a skin cell including generating a water into a magnetized hexagonal water through a magnetized hexagonal water generator, separating a body fat stem cell from a body skin through a first extractor to extract a natural protein from a culture medium of a stem cell including the adipose-derived stem cell, extracting at least one skin beneficial ingredient from the culture medium of the stem cell through a second extractor, extracting a plant extract from at least one plant of a pomegranate, red ginseng, liquorice, ginseng seed, milk vetch, poria cocos, scutellaria, portulaca oleracea, pleuropterus multiflorus, angelica, angelica tenuissima, coix, codonopsis, morus alba and cucumber, and mixing the magnetized hexagonal water, natural protein, the at least one skin beneficial ingredient and the at least one plant extract through a mixer to manufacture a cosmetic product for regenerating a skin cell.