Ke hana nei mākou i nā ʻano he nui o OBA, fluorescent whitening agent.ʻO Optical Brightener Agent BBU, i kapa ʻia ʻo BBU keʻokeʻo fluorescent, he mea hoʻohui kemika i hoʻohana ʻia i nā ʻoihana like ʻole e like me nā textiles, pepa, a me nā plastics e hoʻonui ai i ka ʻōlinolino a me ke keʻokeʻo o nā huahana.