Ban Labs Ltd. Supplies Papaya Soap. Ban Labs Ltd. Is a WHO-GMP, ISO 9001:2000 certified GPP, GLP certified organization and is the manufacturer, marketer and exporter of ayurvedic & herbal medicines, health & beauty care products and hair care products. The Papaya Soap is used for having a natural vitamin bath. This soap contains the enzyme Papain from Papaya which helps in whitening and softening of the skin. It provides a sun blocking action and thus maintains the balance of oil. This Papaya Soap keeps the ski glowing all day long and is available in 75 gm packs.