Fairy Flora K-1 is an insoluble bacterial powder of Lactobacillus casei subsp. Casei K-1 discovered in domestic rice, and contains more than 1 trillion lactic acid bacteria per gram. It grows beneficial skin bacteria (CNS: Coagulase-Negative Staphylococci such as Staphylococcus epidermidis) that decreases with age, and prepares the skin flora that plays a part in the barrier function of the skin. It is expected to improve the barrier function of aging skin and sensitive skin with disturbed skin flora.