22 Aug 2022 --- A new range of renewable and biodegradable surfactant known as NextLab linear alkylbenzene (LAB) has been bought by Unilever to be used in production of linear alkylbenzene sulfonate (LAS), used in many of the company’s brands, including Persil, Cif and Sunlight. The surfactant was developed by a Spanish chemicals company named Cepsa Química.