Which excipients with known effect, and in what amounts per gram, are listed for the ADVANZ Pharma fusidic acid 20 mg/g cream product?

The ADVANZ Pharma fusidic acid 20 mg/g cream product lists these excipients with known effect per gram: butylhydroxyanisole 0.04 mg, cetyl alcohol 111.00 mg and potassium sorbate 2.70 mg.