Bisou Original Handmade Silk Soap Sericin, a component of silk, contains ingredients very similar to the skin's natural moisturizing factors. Using silk as a base, we've combined it with specialty products from Yamaga City, Kumamoto, such as local sake, horse oil, mulberry leaves, and honey, to create Bisou's unique handmade soap. Smooth yet moisturizing. You'll be satisfied with how it feels after washing. This soap is handmade by artisans, one by one, primarily using silk (moisturizing ingredients) extract and horse oil from Yamaga, Kumamoto. The gentle lather unique to silk gently removes impurities from your skin. Gentle lather unique to silk Recommended for the beginning of hand treatment Regular price: 1600 yen