Ban Labs Ltd. Manufactures Watermelon 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. Watermelon has antioxidants such as Lycopene and Vitamin C and multi-vitamins which soothe the skin and make it look radiant and young. The watermelon fragrance of this soap freshens up the body and this soap is available in 75 gm packs.