This mildly acidic facial soap combats acne and rough skin caused by bad bacteria*1 by washing away the bad bacteria*1 and adding good bacteria*2 to restore the skin's bacterial balance! [Improves Skin Environment] Gently cleanses away excess bad bacteria*1 with yogurt extract*3, a fermented liquid derived from lactic acid bacteria. It also contains Lactobacillus acidophilus (a skin-conditioning ingredient) derived from domestically grown rice, a beneficial bacteria, to moisturize and maintain healthy skin. It also contains ingredients*4 that support the skin's barrier function, which feed the beneficial bacteria, for smooth, beautiful skin. [Skin-Friendly] Made with the same mildly acidic base as your skin, it has undergone skin irritation testing for sensitive skin. It's also free of five additives*5, so it's gentle on your skin. (*1) Staphylococcus aureus, acne bacteria, etc. (*2) By removing dirt (*3) Yogurt extract (skin conditioning ingredient) (*4) Chlorella extract (skin conditioning ingredient), raffinose (moisturizing ingredient), bioflavonoid (skin conditioning ingredient) (*5) Free of mineral oil, parabens, coloring agents, ethanol, and silicone