A hair regrowth is developed using edible crickets. The edible crickets are provided in the form of 60-100 g of powders or in the form of 60-100 g of formulations on a daily basis. The edible crickets reduce the concern about side effects and are safe. The intake rate of the edible crickets is higher than those of synthetic medicine of promoting hair regrowth and medicine of preventing hair loss, so that the edible crickets are used for pharmaceuticals, supplements, and cosmetics. The edible crickets contains iron (Fe), zinc (Ze), copper (Cu), and biotin (Biotin, Vitamin B7) higher than nutritional ingredients contained in vitamins sold on the market in content, and a large amount of amino acids constituting hairs, so that an excellent effect is produced on hair regrowth. The promotion of hair regrowth, the prevention of hair loss, and the improvement of hair follicles are easily recognized.
